Blackheads and whiteheads (comedonal acne) are the most common type of acne, affecting millions of people worldwide. They can ...

Why can't we hear this alien scream in space? And have you ever wondered, when you make a sound, like, ooooooooooooo, how does the sound actually get into your ears? Watch what happens when the ...

[Material design] This is a glass teapot set with a dragon scale hammer pattern. It is made of high borosilicate glass, which is uneven and does not absorb the taste of tea. The glass and the pot ...