For decades, scientists have known that bacteria can exchange genetic material, in a process called horizontal gene transfer.

Digital reconstruction of a partially crushed skull suggests new insight into Homo sapiens’ evolutionary relationship to Denisovans and Neandertals.

The biological study of species offers no equivalent to such transmutation. An individual which belongs to a given species ...

Small plastic or metal bits at the end of shoelaces, known as aglets, prevent laces from unraveling and protect them from ...