In fact, there were only single-celled organisms that could move around through the waters of the oceans. Needless to say, ...

An curved arrow pointing right. A single celled organism eating its prey, an inside view of a termite's gut, and a parasite going 'Alien' on its host took top honors in Nikon's Small World in ...

Scientists at Queen Mary University of London and the University of Hong Kong have created a mouse with substituted genes from a single-celled organism known as a choanoflagellate. Scientists replaced ...