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
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
Sloths take two weeks to digest their food.
243
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The human brain doesn't stop developing until about 25 years old.
102
The bananas we buy in stores and supermarkets are genetically identical clones, all descended from one banana. These bananas are seedless and sterile; natural bananas are short, fat, and have huge seeds.
4