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.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Iron weighs more after it rusts.
16
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound at the right vibration can bore holes through a solid object.
134
Balsa wood is classified as a hard wood!
41
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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