Evolution
If the World Began Again, Would Life as We Know It Exist?
Experiments in evolution are exploring what would happen if we rewound the tape of life.
James Doty’s Helper’s High
He gave away his last $30 million and felt free—a case study in altruism.
The Seeds That Sowed a Revolution
Galapagos Finches are famous, yet Darwin learned more about evolution from the plants.
The Unique Merger That Made You (and Ewe, and Yew)
All sophisticated life on the planet Earth may owe its existence to one freakish event.
