If you think your contraception is making you anxious or depressed, you’re not imagining things. Evolutionary psychologist Sarah E. Hill explains what happens to your brain on birth control.

There’s probably no question that sleep scientist Wendy Troxel gets asked more frequently than “Is it bad if my partner and I sleep apart?” Here, she tells us what the research says about couples and sleep.

Adopting a brain-healthy diet is a powerful tool in maximizing cognitive health and helping prevent dementia and Alzheimer’s disease, says neuroscientist and nutritionist Lisa Mosconi. What’s more, it may even ward off common ailments that affect many women, from slow metabolism to insomnia and depression. Here are 8 steps to take.

Did you know that meerkats stay close to home, even as adults, so they can inherit territory when Mom dies? Or that North American red squirrel mothers gift real estate to their kids (complete with stockpiles of food)? Evolutionary biologist Barbara Natterson-Horowitz and writer Kathryn Bowers make the case for why parents — animals and humans — should remain involved in the lives of their full-grown offspring.

Too much time spent with no purpose is associated with unhappiness. If you want to live a satisfying, long life, neuroscientist Daniel Levitin has some advice for you: Stay busy.

Which is the bigger threat to wildlife: Radioactivity or humans? Wildlife ecologist Jim Beasley has gone into the contaminated zones around Chernobyl and Fukushima to learn the answer, and his findings are both sobering and inspiring.

Most of us feel scared about speaking in public, and in response, we either rehearse incessantly — or we stop doing it altogether. Neuroscientist Anwesha Banerjee has this suggestion: Why not get used to it?