Lobsters have blue blood.
476
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
A dairy cow can produce more milk when listening to music.
446
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12