A virus is a very tiny structure. In its simplest definition, a virus is some nucleic acid (either DNA or RNA) packed inside a protein coat. It is designed...
One mystery that naturalists have yet to solve is how randomly shaped and distributed chemicals were organized, concentrated, and combined into the first...
In 2021, a fossil of an evidently beautiful bird the size of a bluejay was unearthed from sedimentary deposits in northeastern China. The bird—named...