Why Is It?
Spoiled Milk
A listener asks why milk goes bad more quickly than other beverages.
Blowing Away Germs
A listener asks if opening all the windows will spread cold and flu germs around.
The Sun’s Temperature
A listener asks: How hot is the surface of the sun?
Collecting & Hoarding
A listener asks why some people become collectors and hoarders.
Ultrasound Safety
A listener asks: Can medical ultrasound damage your ears?
Tsunamis & Sealife
A listener asks: What happens to the seafloor and to sealife when tsunamis hit?
Vitamin C & Pasteurization
A listener asks if pasteurizing orange juice destroys its vitamin C.
Star Distance
Astronomers calculate the distance to the furthest stars by comparing them to stars they know.
