Chimps likely to warn groups unaware of dangers
Animals are known to sound alarm calls when predators are around, particularly when their kin are
News Section | Biology
Scientists unravel how nose differentiates smell
Scientists have successfully unravelled how the nose — our olfactory organ, with 350 different
Dead brain cells erode memory
Small spots of dead brain cells, found in about one out of four older adults, is linked with memory
Killer clawed dinosaurs yield new theory about flight in birds
In a new study, scientists have described how dinosaurs like Velocriaptor and Deinonychus used their famous killer claws
Protective gene for colorectal cancer identified
Scientists have identified a tumour-suppressing gene called DCC gene (Deleted Colorectal Cancer), which protects against the onset of cancer by causing the death of cells that become cancerous
Modern humans have better sense of smell than Neanderthals
Scientists have found that the human temporal lobes, involved in language, memory and social functions as well as the olfactory bulbs are relatively larger in Homo sapiens than in Neanderthals
New ‘glow’ detectors easily identify toxins, pathogens or explosives
Researchers at MIT have developed new detectors that could provide easy visual identification of specific chemicals — whether toxins
Brain’s failure to appreciate others behind atrocities, torture and genocide
A failure in the part of the brain that’s critical for social interaction may lead a person to become callous enough to commit human atrocities, a new study has suggested
Early man lost his fur to stay cool while running around on 2 feet
Early man shed his hair gradually to cope with the heat of active, foraging lifestyle, a new study has suggested
Magnetic stimulation of brain may help stroke patients recover
A new study has found that that magnetic stimulation of nerve cells in the brain may speed up the recovery from hemispatial neglect