The bark of an older redwood tree is fireproof.
65
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound at the right vibration can bore holes through a solid object.
134
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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51