Males produce 86 million sperm cells each day, which is about one thousand every second.
Research on guppy fish published in the Society Journal Proceedings B in 2010 reported that... MORE
Nobody knows who first discovered what causes pregnancy. Aristotle certainly understood how babies were made:... MORE
A species of spider discovered in Israel in 2010 has been named Harpactea sadistica, because... MORE
At 15 inches in diameter, the eyes of giant squids are the largest on Earth.