Category: Investigations

Do human see in 3D or 2d?

We are 3D creatures, living in a 3D world but our eyes can show us only two dimensions. The depth that we all think we can see is merely a trick that our ...

Can depressed scars heal?

Acne scars do not go away entirely on their own. Depressed acne scars often become more noticeable with age as skin loses collagen. However, there are a v...