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
Billions of neutrinos pass unnoticed through your body every second.
6
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Nylon is made from coal and petroleum.
42
Your brain is 80% water.
525
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The left ear is more responsive to words of love and emotion whispered into it than the right.
40