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Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved. Assessing a dinosaur's intelligence, considering the innumerable factors contributing to that trait, is exponentially more difficult. A study published last year by Vanderbilt University neuroscientist Suzana Herculano-Houzel that evaluated the intelligence of Tyrannosaurus rex, focusing upon estimated brain size and the number of brain neurons, as comparable to that of primates - specifically a baboon - caused a stir in scient...

Scientific studies have found that the dorsal premammillary nucleus, or the part of the brain that detects a danger to the territory, is bigger in males than females. Similarly, the amygdala, or the part of the brain that sets the alarm bell ringing, is also bigger in men. Consequently, men are more alert than women. How brains in males are different from those in females? Know in detail.

Findings help explain how smoking is linked to Alzheimer’s, dementia.

New research has found that smoking causes the brain to shrink and that genetics could be important

Songbirds with the most complex vocal learning abilities were also the best problem solvers and had the largest brains relative to body size.