Science

Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a two-dimensional honeycomb nanostructure (an intermediate-sized structure between microscopic and molecular structures).

Watery eyes may be a signal of dry eye syndrome.

The Moon's core consists of a solid part made mainly of iron and a semi-liquid part surrounding it.

The galaxy appears in many films, anime, and computer games.

There is a claim that nicotine is a highly addictive substance.

A memento of annihilation–the Chicxulub crater.

The liver can regenerate.

The closest Cassini flyby over the surface of Enceladus took place in October 2015.

Snow is formed from the finest droplets of over-cooled water in clouds.

An excessive amount of tears often called pathological crying or laughing, may be an indication of a brain disease or Alzheimer’s disease.