The cockroach

The cockroach

An extermination trick that married insecticide with sugar worked for a while — but then suddenly lost its power against roaches. Now More »

Monkey: When in Rome…

Monkey: When in Rome…

If you teach a group of monkeys that blue corn tastes yucky, they switch to pink corn. What happens when a monkey raised to detest pink More »

To play, and therefore to mate

To play, and therefore to mate

Are we affecting the character of future generations by the way we choose mates? If choosing attractive mates tends to make the More »

Dr. Darwin teaches robot!

Dr. Darwin teaches robot!

A crash course in “sink or swim” teaches computerized robots to adapt to changing circumstances. When taught by “directed evolution,” More »

New math mavens = pigeons?

New math mavens = pigeons?

Can pigeons learn an abstract mathematical rule? Apparently, according to a new study, which asked pigeons to place, five blue dots and More »

Brain under threat

black and white graphic of frightened eyes

In just a moment, our brains can go from calm, deliberate and focused, to alert, agitated and aroused. New neural networks get 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 »

Amoeba: Secrets of the micro-farm

Amoeba: Secrets of the micro-farm

Found: The smallest farmers in the world! If you’re hungry, and moving to a land without food, the smart money says, “Take some More »

Maggots, leeches, parasitic worms

Maggots, leeches, parasitic worms

Meet three gross “biotherapies”: Leeches suck blood after surgery. Maggots clear dead tissue from wounds. Parasitic worms fight More »

Treatment defeats phony hormones!

Treatment defeats phony hormones!
When chemicals in the water trigger the endocrine system, male fish can start looking and acting female. What happens once chemicals More »

In detail: How learning changes brain

In detail: How learning changes brain
Changes in the junctions between nerve cells determine how well a bird will learn to sing. Regular change in these junctions helps the More »