Ask a Science Teacher

217 Do fish sleep?

Humans can’t grow back arms or legs

237 Is music mathematically based?

165 Why do car wheels sometimes look like they’re going backward?
166 Which came first, the chicken or the egg?
167 Which will cause more damage: Running my car into a wall at 60 mph, or crashing my car, going 60 mph, into another car coming at me at 60 mph?
168 If I dug a hole through the Earth and slid through, what would happen when I reached the other side?
169 Is there a particular reason why interstate speed limits are usually about 65 mph?