In zero gravity, a candle's flame is round and blue.
16
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Pure water (H2O) does not conduct electricity on its own.
46
Liquid TIDE laundry detergent glows under a blacklight.
96
Most dust particles in your house come from dead skin.
48
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16