Tigers can see 6 times better at night than humans.
305
Our Right Lungs takes more air than our left lung.
194
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Early American humans hunted car-size armadillos and used their shells for houses.
12