Facial reconstruction of a seaman between seventeen and twenty-four years of age, the younger of two crewmen whose skeletal remains were recovered from the USS Monitor.
Earth's earliest known forms of animal life were trailblazers.
“Vision” in single-celled Synechocystis works by principles similar to the human eye.
The fate of the Caspian seal may have been decided ﬁve million years ago.
Robber ﬂies are top predators in the insect world.