Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Contrary to popular belief, plastic cutting boards are more likely to harbor bacteria than wood ones. New plastic boards are easier to clean, but ones with cuts are nearly impossible to completely disinfect, whereas wood ones absorb and kill bacteria, regardless of age or use.
13