Talk about a bizarre feature of the human body: If you happened to swallow a razor blade, your stomach acid would dissolve it. Acids are ranked on a scale from zero to 14—the lower the pH level, the ...

Did you know that scientists are tracking voles with glittery poop? Or that some clownfish actually shrink in size to stay cool? What about there are dancing, dueling galaxies? If this is news to you, ...