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Bacterial Builders

January 29, 2003

Engineered bacteria make a protein that can lay down a pattern of circuits on a computer chip.

January 28, 2003

Why is scratching pleasurable? (To encourage you to get rid of an irritant)

January 27, 2003

Echoes may have inspired ancient people to paint on cave walls.

January 24, 2003

Sympathy involves reenacting someone else's mental state, and orangutans show evidence of culture.

January 23, 2003

Enough turtles get killed while crossing roads each year to hurt the species.

January 22, 2003

Kids entering puberty have a harder time processing emotional information.

January 20, 2003

A robotic dog could act as a companion for elderly people.

January 17, 2003

Acoustic freezer for ice cream parlors cools with sound, and a wireless sensor monitors organ …

January 16, 2003

A new model for the formation of gas giant planets explains why so many have been discovered …

January 14, 2003

Why don't human activities make the Earth unbalanced as it spins on its axis? (They don't move as …