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
Out of all the senses, smell is most closely linked to memory.
146
The bark of an older redwood tree is fireproof.
65
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Cold water weighs more than hot water.
93
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11