In Japanese mythology, Oni can mean a variety of things like demon, troll, orc or ogre. Children play "oni gokko", which is the same as Tag, but who is "it" is called "the oni"
If you were to lay out all the blood vessels in the human body end to end, they would stretch over 60,000 miles. That's enough to circle the Earth more than twice!
A new screw-driven robot prototype can autonomously navigate and mine rocky planets like Mars using Archimedean screws, ideal for challenging surfaces like sand and snow. Developed with EU support, it holds potential for extraterrestrial mining missions.