Mapping evolution

Mapping evolution

Research in salty ponds shows how one species of pupfish becomes three — in a few cases. More important, it shows why this did not More »

Genetics of the body snatchers!

Genetics of the body snatchers!

athogens can change the behavior of their hosts — and now we see that a single viral gene forces a caterpillar to climb a tree before More »

Enter the realm of the ants

Enter the realm of the ants

In many environments, ants know the tricks of survival, even domination. Skeptical? Ask the fire ant. Ask the army ant. More »

Genetic tests go mainstream

Genetic tests go mainstream

Companies are marketing genetic tests direct to consumers. Some tests can be lifesavers. But many tests return confusing results, More »

Celebrating Darwin and evolution

Celebrating Darwin and evolution

The theory of evolution is 150 years old, but forever young. We examine proofs for evolution, and four cool studies showing just how More »

Ants: My Family, Right or Wrong!

Ants: My Family, Right or Wrong!

The Argentine ant invaded California 100 years ago, forming “super-colonies” that stretch hundreds of miles. Ants on the attack? More »

Growing Teeth in the Lab

Growing Teeth in the Lab

Developmental biology meets dentistry as scientists grow human teeth in test tubes. All the latest on test-tube teeth. More »