Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The color blue is a very common favorite color for humans, but it is ...

Most of the time animals are green, black or grey but in some parts of the world a few very rare animals shine in bright shades of blue who look so magical that they almost feel unreal. Blue in nature ...