It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51