Two words are enough for people with normal hearing to distinguish the voice of a close friend or relative amongst other voices, new research has found.


We can identify a friend's voice from just two words


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In a major advancement towards an implantable replacement intestine for humans suffering from devastating gut diseases, researchers have successfully grown healthy intestine atop a 3-D scaffold that can function well in a living organism.


Dogs with missing gut lining treated with lab-grown 3D intestine


Hormonal treatments administered as part of the procedures for sex reassignment can not only shift a recipient's physical appearance to that of the opposite sex but also alter brain chemistry, says a new study.


Sex change hormonal treatment reshapes brain chemistry


Crime dramas are not for a momentary thrill as people who watch television programmes in which sexual predators are punished may avoid sexual predatory behaviour in real life, a new study suggests.


How crime shows can help curb sexual assaults


Around 3.3-3.8 billion years ago, a series of streams and lakes existed on the Red Planet, filling the Gale Crater with sediment deposited as layers that formed the foundation for the mountain named Mouth Sharp, an Indian-origin scientist has revealed.


Flowing water filled Gale Crater on Mars: Indian-origin scientist


Students who change schools frequently are at risk of lower math scores and have a harder time managing their behaviour and attention in the classroom than students who stay in the same school, says a new study.


Frequent school changes hurt kids' math scores


Men are most jealous of sexual infidelity but when it comes to women, emotional infidelity is what makes them the most jealous, reveals a study.


Men hate sexual infidelity, women jealous of emotional cheating


If you are looking for a simple way to burn more calories while walking, just keep changing your speed, suggests a study by Indian-origin researcehrs.


Changing walking pace burns more calories


Antioxidants double the rate of metastasis, the spread of cancer from one part of the body to another, in malignant melanoma, the most perilous type of skin cancer, warns a new study.


Beware! Antioxidants can cause cancer to spread faster


Heavy smoking and alcohol use cause distinctive changes to human DNA, leading to an accelerated premature ageing, scientists reveal.


Heavy smoking and drinking will age you faster


Researchers have identified a type of vaginal bacteria that can protect women from the human immunodeficiency virus (HIV) as well as other sexually transmitted infections.


Vaginal bacteria that can protect women from HIV


Researchers have marked a number of factors that can help identify young people who are at risk of developing high blood pressure by around age 38.


High BP risk in mid-life can be predicted in childhood


A mysterious kidney disease that has killed over 20,000 people in Central America since 2002, and now spreading to other countries including India, may be caused by chronic, severe dehydration linked to global climate change, says a new study.


Climate change behind mysterious kidney disease: Study


A new study of a 125-million-year-old wing of a primitive bird has revealed that some of the most ancient birds were capable of performing aerodynamic feats in a manner similar to many birds existing now.


125-mn-year-old wing reveals evolution of flight


The Nobel Prize for Chinese scientist Tu Youyou, who turned to traditional herbal medicine to develop novel malaria therapies, should inspire India to focus on scientifically validating and promoting its rich heritage of folk medicine, an expert said on Thursday.


'Nobel for Chinese scientist has lessons for Indian folk medicine research'


Undergraduate college students are more likely to have unprotected sex on days they use marijuana or binge on alcohol than on days they don't, warns a study.


Marijuana, binge drinking lead to unprotected sex


Getting a step closer to making hydrogen a less expensive fuel for cars, scientists have upgraded an inexpensive catalyst that can release four times more hydrogen from water than in its original form.


Getting closer to hydrogen-powered cars


The brain cannot be palpated without using a highly invasive procedure, but researchers have now developed a noninvasive brain imaging method using magnetic resonance imaging (MRI) that provides the same information as physical palpation.


Non-invasive 'brain palpation' may detect Alzheimer's


Young female chimpanzees are smarter than males in object manipulation - seemingly in preparation for adult tool use - as they display greater diversity in manipulation, a study finds.


Young female chimps smarter than males


The combination of social anxiety and the need for social assurance by feeling part of a group increases the risk for excessive and uncontrolled use of Facebook, a study reveals.


Social anxiety behind excessive Facebook use?


"Health buddies" on Facebook can inspire you to hit the gym or motivate you to do yoga in the neighbourhood park, resulting in a new, fitter you.

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