The chainsaw was originally invented to assist in childbirth - specifically, to cut through the pelvic bone during obstructed labour.

Static shocks often exceed 20,000 volts - over 100 times the voltage of a typical power outlet. They don’t harm you as they last only millionths of a second.

If you removed all the empty space from the atoms in every human, the entire population of Earth could fit into the volume of a sugar cube.

New Zealand leads the world in per capita ice cream consumption, with each person consuming an average of 28.4 liters (7.5 gallons) annually. The United States and Australia follow in second and third place, respectively.

For the 36 years leading up to 1916, Ireland had its own time zone, known as Dublin Mean Time (DMT), which was 25 minutes and 21 seconds behind England's time zone.

Wasps are the unsung heroes of global agriculture. They help protect $417 billion worth of crops from pests each year, which is more than the $250 billion annual value of insect pollination.

Saturday became part of the weekend in the early 19th century, when British factory owners gave workers Saturday afternoons off to drink, allowing Sunday for recovery before work on Monday. Before that, only Sunday was a day off.