Smell guides mosquitoes to see a human host

It may be largely impossible to avoid getting bitten by a mosquito unless and otherwise one can stay in an environment free of carbon dioxide for extended periods, remain nearly invisible and have a cool body temperature. This is because mosquitoes use smell, visual and thermal cues that are both sequentially triggered and act independently … Continue reading Smell guides mosquitoes to see a human host

The science of screams deciphered

Ever wondered why human screams can pierce through even a noisy environment and alert people? The answer lies in the unique acoustic property of a scream that triggers the brain’s fear circuitry into action.  The same principle is used in burglar alarms that catch our attention no matter the din around.  A study, published on Thursday in the journal  … Continue reading The science of screams deciphered

Scientist proposes marriage through a journal paper

A few days ago, the amusing ways in which some men proposed to their girlfriends were telecast by America’s Funniest Video show. Now a scientist has found a more strange and scholarly route to propose to his girlfriend. In a paper published in the reputable journal Current Biology on June 4, Caleb M. Brown, the … Continue reading Scientist proposes marriage through a journal paper

White Bengal tiger enigma solved

A change in a single amino acid (A477V) in one pigmentation-related gene (SLC45A2) causes some tigers to have white fur with dark or sepia brown stripes, scientists from Peking University, Beijing, have found. They studied 16 captive white tigers from three parents. The results were published on Thursday in the Current Biology journal. The colour … Continue reading White Bengal tiger enigma solved

Smell guides mosquitoes to see a human host

Published in The Hindu on July 26, 2015 It may be largely impossible to avoid getting bitten by a mosquito unless and otherwise one can stay in an environment free of carbon dioxide for extended periods, remain nearly invisible and have a cool body temperature. This is because mosquitoes use smell, visual and thermal cues … Continue reading Smell guides mosquitoes to see a human host