A cesium atom in an atomic clock beats over nine billion times a second.
43
Pure water (H2O) does not conduct electricity on its own.
46
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One cubic foot of gold weighs more than 1,200 pounds!
78
A ball of glass will bounce higher than a ball made of rubber.
73
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57