When chimps threaten, they open their mouth and show their teeth. It's a little like waving a knife in front of you. It's very primitive, and therefore bizarre. Helen Fisher bizarrechimpfront Change image and share on social
In general, men are wired to notice obvious signs that convey interest in mating - a warm smile, for example - and ignore other subtleties, like if your lipstick is faded. Helen Fisher conveyfadegeneral Change image and share on social
Liberals and conservatives are looking for entirely different things. Their attitudes toward romance and how they court are really dramatically different. There's almost no overlap. Helen Fisher attitudeconservativecourt Change image and share on social
From my studies of genetics and neuroscience I have come to believe that people fall into four broad personality types - each influenced by a different brain chemical: I call them the Explorer, Builder, Director, and Negotiator. Helen Fisher brainbroadbuilder share on social
The human brain is built to compare; it's Darwinian to consider an alternative when one presents itself. Helen Fisher alternativebrainbuild Change image and share on social
Women have a better sense of smell than men do, and it's even sharper in the middle of their menstrual cycle, when estrogen levels peak and women are more likely to be deciding whether a man's attractive. Helen Fisher attractivecycledecide share on social
The reason you take antidepressants is to feel calm. And romantic love is not calm - it's elation, it's mood swings, and you're killing all that when you take the drug. Helen Fisher antidepressantcalmdrug Change image and share on social
Women have a better sense of color and a better color memory. They're more likely to notice when something doesn't match; more likely to notice what you're wearing. Helen Fisher colormatchmemory Change image and share on social
Women, it turns out, are built to lead - particularly in the modern world. Helen Fisher buildleadmodern Change image and share on social
Scientists know that women gravitate to men who have a different immune system from theirs. Helen Fisher gravitateimmuneman Change image and share on social