Tigers can see 6 times better at night than humans.
305
Sunflowers can be used to clean up radioactive waste.
17
Drivers kill more deer than hunters do.
660
CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
-7
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13