The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The only letter not appearing on the Periodic Table is the letter "J".
180
The bark of an older redwood tree is fireproof.
65
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43