How did Ron get his scars?

Ron Weasley had deep scars on his arms from being attacked by brains with tentacles at the Department of Mysteries. Madam Pomfrey applied Dr. Ubbly's...

Who introduced set?

Georg CantorGeorg CantorHe created set theory, which has become a fundamental theory in mathematics. Cantor established the importance of one-to-one corre...

Can you eat a raw fish?

For most healthy people who choose to eat raw or undercooked seafood, it may only pose a small health risk but for others the risk can be severe. Foodborn...

Does saliva make your lips pink?

Does licking my lips often make it pink? No. Saliva contains many enzymes. Licking your lips more often would make your lips dry, so try not to lick your ...

Why does Dyson use formaldehyde?

Its intelligent algorithm precisely senses formaldehyde levels without confusing it with other violent organic compounds (VOCs). As well as sensing formal...