Animals cover themselves in all kinds of unsavory fluids to keep cool. Humans sweat, kangaroos spit and some birds will urinate on themselves to survive hot days. It turns out that echidnas do ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When it’s time for a snack, the miniscule sea creature known as ...

Are you finding a lot of green slimy stuff around the house or the classroom? If so, there's either a sick kid or a leprechaun. Using a few materials from around the house, you can discover the ...