Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Diamonds can be shattered with a hammer.
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