19. The largest known prime number contains 41,024,320 digits. 20. Frogs breathe and drink through their skin. 21. A bullet fired from a 223 Remington leaves the weapon at up to 2,727 mph (4,390 km/h) ...

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 ...

Discover 25 Science Facts That Will Amaze You, like why only female mosquitoes bite and how a candle flame contains a million ...

Results of the 14th annual Cool Science Image Contest were announced on Wednesday with winners selected from a pool of entries that include University of Wisconsin faculty, professors and students.