Why Is It?

Shower Curtain

August 24, 2004

Why does a shower curtain move inward when you shower? (Low pressure vortex set up by shower spray.)

August 19, 2004

rerun

August 5, 2004

Why do we have two kidney but only one liver? (Evolved bilateral symmetry, and kidneys are less …

August 3, 2004

What happens when an ant is separated from its colony? (It dies -- can't join another colony.)

July 15, 2004

rerun

July 1, 2004

Will scientists ever figure out what color dinosaurs' skins were? (Can guess based on whether they …

June 29, 2004

Are there any two dog breeds that could be considered different species? (Some breeds do have …

June 24, 2004

How do digital thermometers work? (Sensor's electrical resistance changes with temperature, or …

June 22, 2004

How is glass made? (Heat sand, soda ash, and lime until liquid, cool into non-crystalline solid.)

June 17, 2004

rerun