The Heart Eyes Killer’s mask is notable for its visual design, but it also hides one rare and useful feature more movies ...

These curious molecules are both positively and negatively charged at the same time; the word “zwitter” in German means “hybrid” or “hermaphrodite”. Their unusual nature affords zwitterions a ...

Do you believe you have a great observation skill? If yes, then here's a challenge for you! This is an optical illusion that ...

Xander Harris was always one of the most important characters in Buffy the Vampire Slayer. So how did his story play out?