Dog Belly Button
Do dogs have a belly button? (yes, look for the hair whorl on his tummy)
Jupiter Sings
The Cassini spacecraft recorded radio waves broadcast by Jupiter.
Cold Skin
Why does the hair on our body stand up in extreme cold? (Vestigial response from when humans had …
Sponge Drug
A compound from a sea sponge that kills cancer cells has been synthesized in the lab for the first …
Sneezing and Sleeping
Why can you wake up coughing but not sneezing? (The histamine system shuts down.)
Picture Passwords
Picture-style passwords offer greater security than traditional passwords and PINs.
Musical Tastes
People with frontotemporal dementia can show unusual switches in musical taste.
Menthol
What medicinal value does menthol have? (Stimulates cold receptors to distract us from pain.)
Space Superbubbles
Six superbubbles -- formed by exploding stars -- have been discovered in a galaxy 7 million light …