Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.
1k
Hot water can freeze faster than cold water.
181