P C College

Everything you need to know about P C College: news, reviews, in-depth analysis, opinion and more

Everything you need to know about P C College: news, reviews, in-depth analysis, opinion and more

'Spiritual' young people likelier to commit crimes than 'religious' ones

June 13, 2013 at 9:49 AM

Washington, June 13 (ANI): Baylor University researchers have revealed that young adults who deem themselves "spiritual but not religious" are more likely to commit property crimes - and to a lesser extent, violent ones - than those who identify themselves as either "religious and spiritual" or "religious but not spiritual.

Cerebral blood flow could predict patients at high risk of stroke or brain hemorrhage

June 2, 2013 at 9:22 AM

Washington, June 2 (ANI): Researchers at Nationwide Children's Hospital have suggested that measuring blood flow in the brain may be an easy, noninvasive way to predict stroke or hemorrhage in children receiving cardiac or respiratory support through a machine called ECMO.

Special screening of 'Yeh Jawaani...' for a cause

May 30, 2013 at 1:05 PM

New Delhi, May 30 (IANS) Delhi's well-known Hindu College is organising a special screening of Ranbir Kapoor and Deepika Padukone starrer "Yeh Jawaani Hai Deewani" in aid of Creating a Secure-Safe-Cordial Environment for Girl Students here Friday at the Delite theatre.

Statins may cut exercise benefits for obese adults

May 16, 2013 at 10:38 AM

Washington, May 16 (ANI): University of Missouri researchers have found that simvastatin, a generic type of statin previously sold under the brand name "Zocor," hindered the positive effects of exercise for obese and overweight adults.

Hysterectomy does not increase heart disease risk

May 15, 2013 at 12:30 PM

Washington, May 15 (ANI): Having a hysterectomy with or without ovary removal in mid-life does not increase a woman's risk of cardiovascular disease compared to women who reach natural menopause, a new study has revealed.

How to use aspirin to treat and prevent heart disease, cancers

May 12, 2013 at 9:50 AM

Washington, May 12 (ANI): A Florida Atlantic University researcher has published a review for clinicians on the optimal utilization of aspirin to treat and prevent heart attacks as well as commentary on the cholesterol lowering drugs to prevent colorectal and other cancers.

Get a pet, protect your heart

May 10, 2013 at 1:18 PM

Houston, May 10 (IANS) If there was any doubt about the benefits of sharing your home with a pet, here is something to mull over -- scientists claim that the presence of a pet greatly reduces the risk of heart disease.

Fatty foods can hinder alertness, says study

May 8, 2013 at 2:40 PM

Washington, May 8 (IANS) Scientists have shown that consuming fatty foods can affect alertness and result in fatigue, says a study.

Slapping or scolding kid doesn't lead to antisocial behaviour

April 19, 2013 at 1:24 PM

London, Apr 19 (ANI): Slapping a child to discipline is acceptable provided it is accompanied by love and affection, a new study has revealed.

Now, non-food plants can provide nutrients

April 17, 2013 at 2:12 PM

Los Angeles, April 17 (IANS) Scientists have shown that a component of plant cells can be transformed into starch which consequently could be a potent source of nutrients.

Hindu College student kills self

April 14, 2013 at 5:08 PM

New Delhi, April 14 (IANS) A Manipuri student committed suicide by strangling himself with a mobile phone charger at his hostel room in Delhi University's Hindu College, police said Sunday.

Manipuri student commits suicide in Delhi

April 14, 2013 at 12:04 PM

New Delhi, April 14 (IANS) A Manipuri student committed suicide in his hostel room in Delhi University's Hindu College, police said Sunday.

'Smart' stem cells repair damage from heart failure

April 11, 2013 at 2:28 PM

Washington, April 11 (ANI): Researchers have found that therapy with cardiopoietic (cardiogenically-instructed) or "smart" stem cells can improve heart health for people suffering from heart failure.

Hormone mix cuts appetite, obesity: Study

March 19, 2013 at 5:13 PM

London, March 19 (IANS) In an attempt to treat obesity and diabetes, scientists have shown that the joint effect of two hormones, important in metabolism, can work to reduce appetite.

New jab could end misery of arthritis pain

March 14, 2013 at 10:14 AM

London, Mar 14 (ANI): Scientists have created a potent new gene therapy technique, which could bring hope to millions crippled by arthritis pain.

Builders of Stonehenge revealed

March 9, 2013 at 12:03 PM

London, Mar 9 (ANI): The workforce that built the Stonehenge 4,500 years ago came in their thousands from the length and breadth of Britain, a new study has revealed.

What happens when workers are left in the dark?

March 3, 2013 at 1:15 PM

Washington, Mar 3 (ANI): All employees are accountable for something, but very few fully understand exactly what they are accountable for, according to a new study.

Wide-faced men tend to be more aggressive

February 15, 2013 at 3:22 PM

London, Feb 15 (IANS) Wide-faced men tend to act more aggressively and also make racist remarks, says a new study.

Scientists switch off ability to sense cold

February 13, 2013 at 3:45 PM

Washington, Feb 13 (IANS) A group of American scientists have successfully managed to selectively shut off in mice the ability to feel cold while leaving the sensation of touch and heat intact.

Male Savannah sparrows changing their tune to attract 'ladies'

January 30, 2013 at 4:14 PM

Washington, January 30 (ANI): Male Savannah sparrows sing distinctly different songs today than did their ancestors 30 years ago - changes passed along generation to generation, according to a new study of more than three decades' worth of sparrow recordings by University of Guelph researchers.

Abu Dhabi to host international IT conference

January 16, 2013 at 12:01 AM

Abu Dhabi, Jan 15 (IANS/WAM) Abu Dhabi will host an international conference on information technology supported by the Abu Dhabi Chamber of Commerce and Industry.

Happy teens likelier to become wealthier adults

December 26, 2012 at 10:45 AM

Melbourne, December 26 (ANI): Smiling and cheerful teens are likely to earn more money than morose adolescents when they grow up, according to a study.

Sibling squabbles bring on anxiety, blues

December 20, 2012 at 4:45 PM

Washington, Dec 20 (IANS) Violations of personal space, unwanted borrowing of fashionable clothes, or arguments over whose turn is it to play a new video game, can fuel sibling squabbles that are linked to greater anxiety and lower self esteem in children.

3 new species of venomous primate identified in Indonesia

December 14, 2012 at 4:36 PM

Washington, December 14 (ANI): A University of Missouri doctoral student and her colleagues have recently identified three new species of slow loris (Nycticebus sp.).

Use 'virtual' tape to get perfect?fitting clothes

November 22, 2012 at 4:02 PM

London, Nov 22 (IANS) A web?based system could give your clothes a perfect fit and revolutionise online clothes shopping.

Happy teenagers grow into wealthy adults

November 20, 2012 at 3:38 PM

London, Nov 20 (IANS) Happy adolescents are more likely to grow into wealthy adults, independently of every other influence, says the first indepth study in this regard.

Outrage at Oz Jewish school kids being 'asked to dress as Hitler Youth' for history assignment

November 9, 2012 at 12:21 PM

Sydney, Nov. 9 (ANI): A prestigious Jewish school in Sydney's eastern suburbs has scrapped a history assignment after a teacher suggested students to dress up as members of the Hitler Youth.

Giant telescope with world's most advanced mirror to explore early universe

October 24, 2012 at 10:07 AM

Washington, October 24 (ANI): Scientists at the University of Arizona and in California have completed the most challenging large astronomical mirror ever made.

Abbey Crouch struggles to keep low-cut dress in place at fashion event

October 22, 2012 at 2:31 PM

London, October 22 (ANI): Abbey Crouch, who attended the Liverpool Fashion Week on Saturday night in a very revealing low-cut dress, was left spending most of her evening trying to pull her outfit back up.

Now, electric undies to get rid of bedsores

October 16, 2012 at 12:36 PM

London, Oct 16 (ANI): An underwear designed to jolt the buttocks with electricity may be able to prevent dangerous open wounds called pressure sores, researchers have suggested.

Mouse created to detect landmines

October 16, 2012 at 5:40 AM

Sydney, Oct 16 (IANS) A genetically modified mouse has been created by US scientists to help detect landmines.

Preferences influence choices we make

October 4, 2012 at 5:18 PM

Washington, October 4 (ANI): We come to place more value on the options we chose and less value on the ones we rejected be it choosing between presidential candidates or household objects, researcher say.

Sat navs can 'blind' you on road

October 1, 2012 at 3:58 PM

London, Oct 1 (IANS) Driving with a satellite navigation system can be dangerous on the roads because trying to retain an image of the screen makes you ignore what is in front of your eyes, says a British study.

Now, there's long-term control of allergic asthma

October 1, 2012 at 2:14 PM

Washington, Oct 1 (IANS) When children suffer from allergies and asthma induced by dust mites, finding relief seems an uphill task. Researchers now claim that three years of allergy shots would offer long-term control of allergic asthma.

Scientists find way of reversing muscle waste

September 27, 2012 at 3:14 PM

London, Sep 27 (IANS) A key factor which slows down muscle repair during ageing can also be reversed, potentially opening the way to their renewal, says a study conducted on mice.

Did King Tut die of disease that gave him breasts?

September 13, 2012 at 6:58 PM

London, Sep 13 (IANS) Egyptian Pharaoh Tutankhamen probably suffered from an inheritable form of temporal lobe epilepsy that gave him abnormally large breasts, according to the Daily Mail.

Men and women tell stories about themselves differently

September 6, 2012 at 5:11 PM

Washington, September 6 (ANI): The stories young people tell about themselves vary depending on the teens' gender, say a University of Missouri psychologist and her colleagues.

New compound offers cure for Alzheimer's

September 3, 2012 at 1:05 PM

London, September 3 (ANI): Scientists at Cleveland Clinic in Ohio claim discovery of a new compound, which they believe could one day cure Alzheimer's disease.

Now, 'pain map' of brain to reveal real level of discomfort felt by patients

September 3, 2012 at 10:33 AM

London, September 3 (ANI): Scientists are working on a way of measuring the level and location of pain felt by patients using a special "pain map" of the brain.

Smartphone app tracks battlefield objects

August 31, 2012 at 1:37 PM

Washington, Aug 31 (IANS) A new software relying on smartphones' global positioning system (GPS) and imaging abilities can fix the exact location of distant objects as well as monitor the speed and direction of moving objects, says a study.

Kids exposed to sex on TV likelier to become promiscuous

August 28, 2012 at 3:22 PM

London, Aug 28 (ANI): Children who watch films with a high sexual content tend to lose their virginity earlier and go on to become promiscuous, a new survey has revealed.

Now, 'electronic nose' to detect harmful airborne toxins

August 22, 2012 at 5:20 PM

Washington, August 22 (ANI): An American company has developed an "electronic nose" prototype that can detect small quantities of harmful airborne substances based on the research by a professor at the University of California.

Eight hurt in Pakistan blast, firing

August 21, 2012 at 12:16 PM

Islamabad, Aug 21 (IANS) Eight people were injured Tuesday in a bomb explosion that was followed by firing in the Balochistan capital Quetta, a media report said.

Magic Tray keeps plates and cups from falling even when tilted 45 degrees

August 20, 2012 at 1:48 PM

London, August 20 (ANI): A revolutionary tray may prevent waiters from being scolded by their employers for breaking dishes and cups.

Key piece of prostate cancer puzzle solved

August 14, 2012 at 8:45 PM

London, August 14 (ANI): Scientists have discovered a completely new route by which male androgen hormones fuel the growth of prostate cancer, raising the prospect that existing drugs could be used to treat the disease.

Pakistani nurses vulnerable to sexual harassment

August 5, 2012 at 1:29 PM

Islamabad, Aug 5 (IANS) Young women medical professionals and nurses in Pakistan are among the many groups vulnerable to workplace violence and sexual harassment, a leading Pakistani daily said Sunday.

It takes a thief to catch a thief!

July 27, 2012 at 7:14 PM

London, July 27 (IANS) Some people are very good at spotting deception... liars themselves.

Olympic athletes set to undergo most advanced anti-doping tests in Games history

July 16, 2012 at 11:44 AM

London, July 16 (ANI): Half of all the athletes competing at the London Olympics will be tested for drugs, which is being billed as the biggest anti-doping procedure in the history of the Games.

Disabled patients could soon control computers with eyes

July 13, 2012 at 5:28 PM

Washington, July 13 (ANI): Researchers have developed a device that could help millions of people suffering from multiple sclerosis, parkinson's, muscular dystrophy, spinal cord injuries or amputees to soon interact with their computers and surroundings using just their eyes.

Controlling computers with simple eye movements

July 13, 2012 at 3:49 PM

London, July 13 (IANS) Millions suffering from multiple sclerosis, Parkinson's, muscular dystrophy, spinal cord injuries, which impacts nerve cells and amputees may soon be able to interact with computers and surroundings using just their eyes, thanks to a new device that costs less than 40 pounds.

Soon, gene test that can see future lovers' compatibility

July 13, 2012 at 3:25 PM

London, July 13 (ANI): The falling cost of DNA testing means that Britain is on the verge of a new era of eugenics, a leading scientist has claimed.

Meteorites and asteroids were most-likely sources of Earth's water

July 13, 2012 at 1:17 PM

Washington, July 13 (ANI): Comets and, or a type of very primitive meteorite called carbonaceous chondrites are believed to be the sources of early Earth's volatile elements-which include hydrogen, nitrogen, and carbon-and possibly organic material, too.

People with shifty eyes aren't lying - they're just thinking hard

July 11, 2012 at 1:36 PM

London, July 11 (ANI): Wandering eyes are seen as a sign of disinterest or that the person is lying, but a new study has suggested that the involuntary movement occurs when people try and access their long-term memory.

Invisible dark matter skeleton of universe detected for the first time

July 10, 2012 at 10:24 AM

Washington, July 10 (ANI): Scientists have announced a discovery that confirms a key prediction in the prevailing theory of how the universe's current web-like structure evolved.

Mole rat may hold key to human longevity

July 3, 2012 at 1:10 PM

Tel Aviv, July 3 (IANS) Compared to the average three-year life span of a common rat, the 10 to 30-year life of the naked mole rat, an underground rodent native to East Africa, is amazing.

Naked mole rat may hold key to longer and healthier life for humans

July 3, 2012 at 12:06 PM

Washington, July 3 (ANI): A collaborative of researchers in Israel and the United States is working to uncover the secret to the naked mole rats' long - and active - lifespan.

Being in love makes one both blind and stupid

June 18, 2012 at 1:43 PM

Melbourne, June 18 (ANI): Love is not only blind, it also makes you stupid, a new research has claimed.

Being in love makes one both blind and stupid

June 18, 2012 at 1:19 PM

Melbourne, June 18 (ANI): Love is not only blind, it also makes you stupid, a new research has claimed.

Bifocal spectacles slow progression of nearsightedness in kids

June 6, 2012 at 4:49 PM

Washington, June 6 (ANI): A new study by an optometrist at the University of Houston (UH) has offered new hope for more effective treatment of nearsightedness in children.

Pill for irregular heartbeat shown green flag

May 23, 2012 at 11:13 AM

London, May 23 (ANI): The first one-a-day pill, Rivaroxaban, for patients with an irregular heartbeat has been given the go-ahead.

Protein that helps cancer cells become resistant to chemotherapy identified

April 7, 2012 at 11:54 AM

Washington, April 7 (ANI): Scientists have identified a protein that protects cancer and other cells from treatments like chemotherapy and radiation.oth radiation and many forms of chemotherapy try to kill tumours by causing oxidative stress in cancer cells.

Intelligence not related to specific genes as thought

February 25, 2012 at 4:07 PM

Washington, Feb 25 (ANI): Harvard researchers have debunked earlier studies that linked specific genes to intelligence.

Now, injectable gel that could repair tissue damaged by heart attack

February 23, 2012 at 8:29 PM

Washington, Feb 23 (ANI): A new injectable hydrogel that could be an effective and safe treatment for tissue damage caused by heart attacks has been developed by researchers at the University of California, San Diego.

Now, injectable gel that could repair tissue damaged by heart attack

February 23, 2012 at 1:48 PM

Washington, Feb 23 (ANI): A new injectable hydrogel that could be an effective and safe treatment for tissue damage caused by heart attacks has been developed by researchers at the University of California, San Diego.

There is nothing wrong with flirting but context matters

February 19, 2012 at 7:49 PM

Washington, Feb 19 (ANI): A philosophy professor from Pennsylvania has offered some ethical and practical advice on flirting to those of the faint of heart.

There is nothing wrong with flirting but context matters

February 19, 2012 at 2:03 PM

Washington, Feb 19 (ANI): A philosophy professor from Pennsylvania has offered some ethical and practical advice on flirting to those of the faint of heart.

Mars 'unlikely place for sustaining life after 600m-yr drought'

February 4, 2012 at 7:41 PM

Washington, Feb 4 (ANI): Mars may have been arid for more than 600 million years, making it too hostile for any life to survive on the planet's surface, researchers have said.

Mars 'unlikely place for sustaining life after 600m-yr drought'

February 4, 2012 at 1:24 PM

Washington, Feb 4 (ANI): Mars may have been arid for more than 600 million years, making it too hostile for any life to survive on the planet's surface, researchers have said.

Men can decode women's menstrual cycles from their voice

January 29, 2012 at 8:28 PM

London, Jan 29 (ANI): Men can actually tell from a woman's voice when she is having her period, a new study has claimed.

Men can decode women's menstrual cycles from their voice

January 29, 2012 at 11:16 AM

London, Jan 29 (ANI): Men can actually tell from a woman's voice when she is having her period, a new study has claimed.

Entry point of hepatitis C virus identified

January 25, 2012 at 3:06 PM

London, Jan 25 (ANI): Researchers have now identified the entry point of hepatitis C virus - the first step leading to the chronic infection- thus opening the door to a number of possibilities for therapeutics.

Doubts cast on "men are better than women at math" stereotype

January 19, 2012 at 9:13 PM

Washington, Jan 19 (ANI): Few researchers have now cast doubts over the popular notion - "men are better at math"- saying that the studies supporting the stereotype had major methodological flaws, utilised improper statistical techniques and many of them were scientifically incorrect.

Doubts cast on "men are better than women at math" stereotype

January 19, 2012 at 10:07 AM

Washington, Jan 19 (ANI): Few researchers have now cast doubts over the popular notion - "men are better at math"- saying that the studies supporting the stereotype had major methodological flaws, utilised improper statistical techniques and many of them were scientifically incorrect.

Owners exploring ways to derive profit from2008 Beijing Olympic venues

January 16, 2012 at 7:59 PM

Beijing, Jan 16(ANI): Owners of 2008 Beijing's Olympic landmarks are exploring new ways to derive profit from them.

Owners exploring ways to derive profit from2008 Beijing Olympic venues

January 16, 2012 at 6:52 PM

Beijing, Jan 16(ANI): Owners of 2008 Beijing's Olympic landmarks are exploring new ways to derive profit from them.

Women are universe's only enduring mystery for Stephen Hawking

January 6, 2012 at 1:14 PM

Washington, Jan 6 (ANI): Stephen Hawking, who has decoded some of the most puzzling secrets of the universe, has revealed that for him women are the only enduring mystery of the universe he has found impossible to crack.

Why holidays in particular tend to evoke nostalgia

December 25, 2011 at 11:43 AM

Washington, Dec 25 (ANI): The bittersweet nostalgia we experience during holidays about good times and loved ones long gone, helps us feel connected both around the vacation and at other times, an expert has claimed.

Fermented Xmas cards could take you back and forth to the moon 20 times

December 24, 2011 at 11:35 AM

Washington, Dec 24 (ANI): A new study has found that if all of UK's discarded wrapping paper and Christmas cards were collected and fermented, they could make enough biofuel to run a double-decker bus to the moon and back more than 20 times.

Relentless optimism helps ugly men woo girls

December 15, 2011 at 6:42 PM

London, Dec 15 (ANI): Men who have a less blessed appearance often overestimate their looks, which helps them approach more women, a new study has claimed.

Soon, insect cyborgs may monitor hazardous environments

November 24, 2011 at 3:19 PM

Washington, Nov 24 (ANI): Scientists are finding ways to use insects to monitor hazardous situations before sending in humans.

Optimism boosts performance for female students

November 23, 2011 at 11:04 AM

Washington, Nov 23 (ANI): A new study found that female students achieved higher grades by being optimistic, whereas male students were scoring less by being overconfident.

Cancer cells' sweet tooth could be its weak link

November 17, 2011 at 6:16 PM

Washington, Nov 17 (ANI): Scientists have found that cancer cells tap into a natural recycling system to obtain the energy they need to keep dividing, suggesting potential new target for treatments.

Babies understand others' thought process at 10 months

November 2, 2011 at 6:08 PM

Washington, Nov 2 (ANI): Babies start understanding another person's thought process when they are 10-months-old, a new research has said.

A glass of wine a day can keep brittle bones at bay

October 19, 2011 at 5:32 PM

Washington, Oct 19 (ANI): A new study has revealed that one glass of wine a day can reduce the risk of osteoporosis.

Soon, computer that can rewire itself

October 17, 2011 at 11:35 PM

London, Oct 17 (ANI): Scientists at Northwestern University have developed a new nanomaterial that can "steer" electrical currents, which could lead to a computer that can simply reconfigure its internal wiring and become an entirely different device, based on changing needs.

Sun's UV rays more carcinogenic than thought

October 7, 2011 at 6:52 PM

Melbourne, Oct 7 (ANI): The Sun's UV rays are even more damaging than once thought, UK researchers say.

YouTube videos can inaccurately depict movement disorders

September 22, 2011 at 6:40 PM

Washington, Sept 22 (ANI): A new study has revealed that people shown in YouTube videos with movement disorders often do not suffer from such disorders.

Increased resistance training does not benefit cardiac rehabilitation patients

September 2, 2011 at 5:47 PM

Washington, Sept 2 (ANI): A study has found that increased resistance training does not yield any additional benefits for cardiac rehabilitation patients.

Drinkers 'know they're making mistakes, but just don't care about them'

September 2, 2011 at 3:55 PM

Washington, Sept 2 (ANI): It was previously known that a few drinks could dull the brain 'alarm' that monitors mistakes, but a new study has revealed that drinkers are still aware of what they're doing, but care less about them.

Kids with congenital heart disease at high risk from harmful toxins in blood

August 27, 2011 at 4:28 PM

Washington, August 27 (ANI): A research by a team at Imperial College London has indicated that babies and toddlers with congenital heart disease are at an increased risk of having harmful toxins in their blood.

Boys say talking about problems 'a waste of time'

August 23, 2011 at 10:24 AM

Washington, August 23 (ANI): Boys feel that discussing problems is a waste of time, a new research has found.

How 'sticky' egg captures sperm to begin fertilization

August 19, 2011 at 11:06 AM

Washington, August 19 (ANI): An international team of scientists has discovered exactly how a human egg captures an incoming sperm to begin the fertilisation process, a finding that could help explain infertility causes and provide new contraceptive targets.

Yoga offered at many Christian universities in USA

August 16, 2011 at 6:14 PM

Nevada (US), August 16 (ANI): Many Christian universities/colleges in USA have been offering yoga, according to reports.

Soon, new treatments to bring relief from delayed asthma attacks

August 13, 2011 at 2:51 PM

Washington, August 11 (ANI): Researchers have found a potential new treatment for thousands of asthma patients who experience a 'late phase' of symptoms several hours after exposure to allergens, causing breathing difficulties which can last up to 24 hours.

Thrill-seeking pilots make for good corporate CEO's

August 11, 2011 at 1:46 PM

Washington, August 11 (ANI): Thrill-seekers, like private airplane pilots, tend to make effective chief executive officers, a new research has found.

Your email style can reveal your identity

July 23, 2011 at 11:59 AM

Washington, July 23 (ANI): A new research has revealed that writing emails with too many typos or excessive punctuation could make you look apathetic or girly.o come to the conclusion, Frank McAndrew, of Knox College in Galesburg, Ill., and his colleagues asked 166 undergraduates to read emails with slight tweaks to their style and grammar.

120 mn-year-old fossil of 'oldest pregnant lizard' found

July 22, 2011 at 1:11 PM

London, July 22 (ANI): Scientists have found a 120-million-year-old fossil that is believed to be the remains of 'oldest pregnant lizard'.

Genetic blueprints of unique algae may help create tomorrow's oil, coal

July 12, 2011 at 8:04 PM

Washington, July 12 (ANI): Scientists are trying to find out the genetic mechanism of unique algae, which are responsible for biosynthesis of oils and coal shale deposits.

'Hindu prayer room' in prestigious Mount Holyoke College of US

July 10, 2011 at 1:48 PM

Nevada (US), July 10 (ANI): Munt Holyoke College, highly selective residential research college for women in South Hadley (Massachusetts, USA), reportedly has a 'Hindu prayer room'.

New zinc-based laser tech to kill viruses, up DVD storage capacity

July 6, 2011 at 7:08 PM

London, July 6 (ANI): Scientists have discovered a new semiconductor nanowire laser technology that could kill viruses and increase the storage capacity of DVDs.