Cassette

Contagious Yawning

October 15, 2002

Why are yawns contagious? (They signal a change in state, so our brain detects them.)

October 14, 2002

Using the sounds of pests to uncover hidden infestations

October 11, 2002

Snobby birds, frog dads and flying snakes

October 10, 2002

Finding out what makes cholera such a virile infection

October 9, 2002

Engineering a machine to create a lab-reproducible standard for the kilogram

October 8, 2002

Finding out what happens when genetically modified plants share their genes with weeds

October 7, 2002

A non-toxic polymer that changes color when heated to specific temperatures.

October 4, 2002

A tiny bomb detector, MRI for wines, and saving grapes with milk

October 3, 2002

A film for chicken meat that kills listeria and prevents contamination

October 2, 2002

Voles can chew up rabbitbrush, making room for native grasses to return to Southwest

October 1, 2002

How did the ocean get salty? (from rocks on land that get dissolved by rain and washed into the sea)

September 27, 2002

Smart dust particles to detect bioterrorist agents, stimulating paralyzed legs to walk, and pet …