Neeha

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Researchers teach old chemical new tricks to make cleaner fuels, fertilizers

University researchers from two continents have engineered an efficient and environmentally friendly catalyst for the production of molecular …

Which hiccup remedies really work?

From holding your breath to far stranger and ruder tricks – how can you get rid of hiccups yourself and why do these methods work? Claudia Hammond investigates.<p>The moment you get hiccups, every person will immediately propose their own suggestion for the best way of getting rid of them, whether …

Why do we laugh when we are tickled?

What is it about a tickle that makes us giggle? And why can’t we tickle ourselves? Greg Foot explains all.<p>When you're touched, the nerve endings under your top layer of skin, or epidermis, send electrical signals to the brain. When we are tickled the somatosensory cortex picks up the signals to do …

PCBs cause birds to sing a different tune

Low level exposures to PCBs cause neurological changes in birds that alter a critical behaviour: birdsong.<p>Songbirds living along the Hudson River in New York state are exposed to levels of PCBs that don't kill them but do disrupt the songs they sing, reports a team of researchers from Cornell …

Scientific interest rolls in for a material that is more solid than steel and a better conductor than copper<p>The molecule is priceless but it is not a matter of cost – a few hundred dollars per kilo. The value lies in its potential. The molecule in question is called graphene and the EU is prepared …

Le Chatelier's principle

<b>Le Chatelier's principle</b> (pronounced /lə ˈʃɑːtəlieɪ/), also called <b>Chatelier's principle</b> or "The Equilibrium Law", can be used to predict the effect …

This Leech Can Survive A 24-Hour Submersion in Liquid Nitrogen

100 percent of the leeches also survived extreme cold (-130°F) for nine months!<p>At first glance there is nothing overly special about <i>Ozobranchus jantseanus</i>, a small parasitic leech of freshwater turtles in East Asia. But throw them into a vat of liquid nitrogen, and they can survive for 24 hours. …

Biology

Ask Anything: What Does Water Taste Like?

H2-oh-so-tasty<p>For thousands of years, philosophers claimed that water had no flavor. It’s the baseline for the sense of taste, they said—a starting point and null condition. What water is to tongues, darkness is to eyes and silence is to ears. “The natural substance water per se tends to be …