TIL that 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.
TIL that a whitewater rafting company trained a flock of carrier pigeons to carry rolls of film containing pictures of the rafters back to the base to be developed and available for purchase by the end of the trip.
TIL that a stockbroker named Nicholas Winton brought 669 Czechoslovakian Jewish children to England, saving their lives. He refused to take credit for his deed until his wife found a scrapbook of the children that he saved and gave it to the BBC. He turns 104 this year
TIL that since many female insects mate just once in their lives, insect populations can be controlled by releasing swarms of sterile males into the wild; the females mate with them, never have babies, and die. The method has eradicated populations of dangerous insects in several regions.