TIL the only species known to pursue “all-out war against fellow members of the same species” are humans, and ants.
TIL that “in darkness most people eventually adjust to a 48-hour cycle: 36 hour of activity followed by 12 hours of sleep. The reasons are still unclear.”
TIL until late 1942, it was common for German U-boats to provide torpedoed survivors with food, water, and the direction of the nearest landmass. This ended when a U-boat towing lifeboats and flying the Red Cross flag was attacked by a US bomber.
TIL in South Carolina the max penalty for domestic violence is 30 days in jail, for beating your dog it’s 5 years.
TIL that US military suicides surpassed combat deaths in 2012