Dean Burnett says the human brain is like a computer that files information in a way that defies logic. According to Burnett, brains can alter memory, cause motion sickness and affect intelligence.
Scientists have found some human DNA that, when added to mice, makes their brains bigger. But as DNA research into human brains goes forward, are there ethical lines we shouldn't cross?
From an evolutionary standpoint, flavor has long helped define who we are as a species, journalist John McQuaid argues in his new book, an exploration of the art and science of taste.