In zero gravity, a candle's flame is round and blue.
16
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
4.5 pounds of sunlight strike the Earth each day.
27
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17