It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Billions of neutrinos pass unnoticed through your body every second.
6
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
In 1965, a four-year-old nearly drowned at a beach, but was rescued by a woman named Alice Blaise. 9 years later, that boy saved a man at the same beach. That man was Alice's husband.
60
Ernest Vincent Wright wrote a 50,000 word book titled 'Gadsby' which did not use the letter "e".
10
There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
22
Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
21