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Center of the Earth
Posted by Dr. Science on 04/06/2012 in Question
If, theoretically, you were at the exact center of the earth and you dropped a ball, what would it do?
--- Here's the answer from Dr. Science
Powder Spills
Posted by Dr. Science on 04/04/2012 in Question
Could you please explain the frequent and annoying “white powder spills” that disrupt commute hours?
--- Here's the answer from Dr. Science
Toothpaste Tubes
Posted by Dr. Science on 04/02/2012 in Question
If I follow the instructions on my toothpaste tube, which say “for best results squeeze tube from the bottom and flatten it as you go up,” will this give me whiter teeth and fresher breath?
———- from Pamela F. of Somewhere in Alaska
