Treatment with a hormone that plays an important role in labour and breast-feeding can improve behaviour of mothers suffering from postnatal depression, a common disorder affecting 10 to 20 percent of mothers, says a study.


Hormonal therapy may treat postnatal depression


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Menopause at an older age lowers the risk of depression for women in later life, says a new study.


Late menopause lowers risk of depression later in life


While the propensity to take physical, social, legal or financial risks generally decreases with age, in countries with great poverty and difficult living conditions, risk-taking remains high even in old age, says an interesting study.


Hardship ups risk-taking even in old age


For those who are curious about how life began on Earth, all it took was one random mutation more than 600 million years ago to start multicellular life on our planet, new research suggests.


One random mutation triggered life on Earth 600 mn years ago


Fellowes, a manufacturer of mobile photography accessories, has launched three new lenses with opticals from ZEISS, an international optics enterprise.


ZEISS optics for 3 new Fellowes lenses


Children who spend too much time on tablets, mobile phone or television are more likely to gain unhealthy weight not just because of physical inactivity but also due to increased exposure to light, says a new study.


Increased light exposure may make kids overweight


A small molecule drug combined with chemotherapy may effectively treat colorectal cancer patients, says a new study.


New drug shows promise to treat colorectal cancer


An Indian-American professor has devised a new method to characterise dark matter that can help hunt for the mysterious space phenomenon.


Indian-origin professor develops new method to hunt dark matter


Far from increasing the vulnerability of wildlife to predators, ecotourism actually helps conservation efforts, researchers say.


Ecotourism doesn't hurt wildlife: Study


Blocking a receptor in the brain responsible for regulating immune cells could protect against the memory and behaviour changes seen in the progression of Alzheimer's disease, says a new study.


Blocking brain inflammation could treat Alzheimer's


Genetic analysis of the mummified remains of Otzi the Iceman, the Copper Age man who was discovered in a glacier in 1991, has shown that his stomach contained a bacterium found in half of all humans today.


Pathogens found in Otzi the Iceman's stomach


With the help from NASA space technology, automaker Nissan has successfully test-driven its all-electric, driverless car at NASA's Ames Research Centre in California this week that will help scientists send self-driving vehicles on deeper space missions.


In a first, Nissan tests self-driving car at NASA facility 


Hundreds of students who flocked to the 103rd Indian Science Congress here from across the country this week found the five-day event worth their effort and money, as they had useful exposure to the subject and could explore research and job opportunities.


Students, faculty find science congress rewarding


Just like modern birds, gigantic dinosaurs engaged in a ritual of dance to woo their mates, suggests new research.


Dinosaur foreplay: They danced to woo mates


The Romans are known for their apparent hygienic innovations, including public multi-seat latrines with washing facilities and sewerage systems, but a new study has found that intestinal parasites gradually increased in Roman times rather than decreasing.


Roman toilets gave no clear health benefits


If you thought money is what ultimately brings more happiness, you could not be farther from the truth. New research suggests that valuing your time more than the pursuit of money can make you a lot happier.


Valuing your time, not money, will bring happiness


Interbreeding with Neanderthals in Europe thousands of years ago left humans with gene variations that have increased our ability to ward off infection, two new studies suggest.


Humans have Neanderthal genes to thank for strong immunity


Researchers at Stanford University have identified a change in gene expression between humans and primates that may have helped give us an edge to walk upright.


Gene tweaking helped humans walk upright: Study


Smokers hospitalised for pneumonia are at higher risk of getting diagnosed with lung cancer within one year, says a new study.


Smokers with pneumonia at higher risk of lung cancer


Sex, it seems, works just as fine in luring male mosquitoes as it does with men! Researchers have found that playing the sound similar to what female mosquitoes make in their flight can attract 95 percent of their male partners.


Novel 'honeytrap' to attract and sterilise male mosquitoes


Can't figure out why you lose every time while playing poker with friends? Blame it on poor single-brain connection.

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