mnn.com

xV0a1 TIL of déjà rêvé (from French, meaning "already dreamed") - the feeling of having already dreamed something that you are now experiencing.
jNkxE TIL the word gadzooks comes from "God's hooks", referring to the nails that attached Jesus to the cross.
neLo9 TIL sandollars are the skeletons of flattened sea urchins