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
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Scientists are now able to grow 'beating' heart tissue in a lab!
162
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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
Your brain is 80% water.
525