Science

A galactic year is the period during which the Sun orbits the center of the galaxy.

The most common type of lava in Hawaii and Iceland is pahoehoe.

There are approximately 100 billion neurons in the human brain.

NASA has been sued for trespassing on Mars.

Since the beginning of the 21st century, many companies and research laboratories have been working on developing commercial applications of graphene.

Nicotine is a strong neurotoxin - it affects the nervous system.

There are geyser-like fissures on the surface of Enceladus that eject streams of water vapor and dust into its atmosphere at speeds of about 400 m/s.

The Milky Way's closest neighbor is the Canis Major Dwarf.

Fungi, next to animals (Animalia) and plants (Plantae), form a separate, large kingdom of eukaryotic living organisms.

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).