Cold water weighs more than hot water.
93
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Nearly 50% of the world's scientists are assigned to military projects.
71
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pure water (H2O) does not conduct electricity on its own.
46
Your brain is 80% water.
525
A cesium atom in an atomic clock beats over nine billion times a second.
43