An envelope. It indicates the ability to send an email. You may have heard of lucid dreaming, the type of dream where the dreamer is aware of dreaming. Is lucid dreaming a real phenomenon?

Humans have done everything from splitting the atom and photographing a black hole, yet our understanding of why we dream ...

Dr Vishal Sharma “The dream world, it seems, might not be as isolated from reality as we once thought” Are you nervous about ...