When It Comes to Love, Is Three (or More) a Crowd?
Cultures around the world fear unrequited love. One strategy to avoid the pain of rejection might be to spread your love around—but does that work?
Human Nature
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Is the Clock Ticking Toward Doomsday?
The news hints that we are getting closer to Armageddon—but some say we are more peaceful now than in the past. How do we make sense of this contradiction?
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Why Do So Many People Want to Die?
A veteran scholar contemplates the origins of the peculiarly human phenomenon of suicide.
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Why Humans Are So Smart—And So Stressed Out
Homo sapiens evolved big brains not so that we could make tools but so that we could keep track of 150 friends and competitors.
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How Did Humans Get So Good at Politics?
We often make friends today who turn into foes tomorrow. It’s all part of the way we’ve evolved as cooperative and competitive animals.
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How Molecular Clocks Are Refining Human Evolution’s Timeline
Scientists are getting better and better at using DNA to figure out when key evolutionary events happened.