A spider’s blood is transparent.
There are about 37,500 known species of spiders.
Young spiders can regenerate a leg if it’s lost.
Spiders have been known to lay up to 300 eggs in a single egg sac.
Little Miss Muffet of the nursery rhyme really existed. She was the daughter of 16th-century physician Dr. Thomas Moufet, who believed spiders had healing powers and forced his daughter to eat them.
A jumping spider can jump up to 25 times its own body length.
