Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.
The Nobel Committee declined to award the Nobel Peace Prize in 1948 because "there was no suitable living candidate." This was meant as tribute to Mahatma Gandhi, who was assassinated earlier that year without receiving the Prize.
There are snakes with two heads, which compete with each other for food.
People don’t sneeze in their sleep due to their brain shutting down the reflex.