Concert in Vietnam constantly flashed by lightning bolts in a thunderstorm.. Am I the only one who thinks that is extremely dangerous? 🌩
Captain Sir Mansfield Cummings, head of the MI6 during WW1, discovered you can use semen as invisible ink
Octopuses have three hearts, and two of them stop beating when they swim. The central heart pumps blood to its organs, while the two peripheral hearts pump blood through the gills. When an octopus swims, the peripheral hearts stop working, which is why they prefer crawling over swimming.
