Sperm quality may change with the seasons, study finds
A new study suggests that human sperm quality follows a seasonal pattern, peaking in the summer and dipping in the winter. The research, published Feb....
Tag : sperm
Live Science Today: Jaw-dropping first glimpse of sperm whale birth and how NASA is turning astronauts into test subjects
Today’s top story Sperm whales lift a newborn calf out of the water in this first-of-its-kind footage. (Image credit: Project CETI) Researchers have filmed a...
Watch sperm whale headbutt another for no apparent reason
Headbutting Sperm Whales – YouTube Watch On Scientists have captured first-of-its-kind footage of a sperm whale violently headbutting another sperm whale out of the blue....