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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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Gorillas can catch human colds and other illnesses.
205
Human hair and fingernails continue to grow after death.
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Yawns are more contagious among people with closer relationships.
163
Tigers can see 6 times better at night than humans.
305
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
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