Evolution
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.
Does Stress Speed Up Evolution?
Getting control of the molecular mechanisms that drive rapid mutations.
Spark of Science: Sean B. Carroll
One biologist’s love for science got kickstarted by snakes.
The Classic Metal Behind the Origins of Life
A collection of metal atoms called the “metallome” helped drive evolution.