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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists are now able to grow 'beating' heart tissue in a lab!
162
German chemists made a replica of a trophy the size of one molecule.
68
Pure water (H2O) does not conduct electricity on its own.
46
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The smell of freshly cut grass is actually a plant distress call.
31
Nearly 50% of the world's scientists are assigned to military projects.
71