Bad air may lower 'good' cholesterol, raise heart disease risk

​New York, April 14 (IANS) Exposure to higher levels of air pollution may increase cardiovascular disease risk by lowering levels of high-density lipoprotein (HDL), commonly known as "good" cholesterol, says a study.Higher exposure to black carbon, a marker of traffic-related pollution, is significantly associated...

Saturn's moon Enceladus harbours chemical energy for life: NASA

​Washington, April 14 (IANS) Saturn's icy moon Enceladus has a form of chemical energy that life can feed on, researchers with NASAs Cassini mission to Saturn have revealed."Confirmation that the chemical energy for life exists within the ocean of a small moon of Saturn is an important milestone in our search for ...

Human biases can sneak into AI systems, study shows

​New York, April 14 (IANS) Artificial intelligence-powered machines can be reflections of humans and can acquire cultural biases, a new study has found.Researchers from Princeton University and University of Bath have found that common machine learning programmes, when trained with ordinary human language availabl...

26 new genes linked to intellectual disability identified

​Toronto, April 12 (IANS) Researchers have identified 26 new genes linked to intellectual disability which is characterised by significant limitations in learning.More than one in 100 children worldwide is affected by intellectual disability. Frequently, intellectual disability also accompanies symptoms of autism ...

First light-activated drug offers hope for pain treatment

​London, April 12 (IANS) In a first, scientists have developed a drug activated by light which has therapeutic applications for the treatment of pain.The new "photo-drug" -- JF-NP-26 -- is a molecule that can be specifically activated at any wished moment (that is, with a high spatiotemporal resolution) with light...

Why your shoelaces often get loose

​New York, April 12 (IANS) Ever wondered what causes your shoelaces to loosen even when you tie them as firmly as possible?It is because while running, the force of a foot striking the ground stretches and then relaxes the knot, a study has showed. As the knot loosens, a second force caused by the swi...

Here's why people have different persona on social media sites

​New York, April 12 (IANS) Individuals' different social etworking profile on sites like Facebook, Twitter, and LinkedIn stem from a desire to fit within the distinctive culture or etiquette of each site, say researchers, including one of Indian-origin.The findings showed that users are not explicitly modifying th...

Ultra-distant galaxy from early universe detected

New York, April 11 (IANS) Astronomers have discovered a faint, incredibly distant galaxy, about 13.1 billion years in the past, just about 700 million years after the Big Bang.The new object, named MACS1423-z7p64, was detailed in a study published in the journal Nature Astronomy.The researchers used the ...

Researchers make cells resistant to HIV

​New York, April 11 (IANS) Scientists have found a way to create an HIV-resistant cell population which can quickly replace diseased cells, thereby potentially curing the disease in an infected person."This protection would be long-term," said Jia Xie, senior staff scientist at The Scripps Research Institute (TSRI...

Comb jellies were the earliest animals: Study

​New York, April 11 (IANS) The delicate marine predators called comb jellies were the earliest animals -- not sponges as had long been thought, claims a new genetic analysis.One of the longest-running controversies in evolutionary biology has been: 'What was the oldest branch of the animal family tree? Was it the ...

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