Evolution
New Lizard Shows Evolution’s Predictability
A new anole on the island of Hispaniola confirms that ecological communities can follow predictable patterns.
The Martians Are Coming—and They’re Human
How settling Mars could create a new human species.
Did Preemies Make Humans Smart?
Our big-brained noggins require us to be born early so we can squeeze through a tight birth canal.
What Good Is Grandma?
The growing role of grandparents in raising children is right in line with human biology.