sperm

Human sperm count decreasing, penis decreasing at alarming rates, warns the scientist

Sperm whales learned to dodge harpoons and taught others skills

Sperm whales taught each other how to avoid hunters’ harpoons 200 years ago, according to a new study

Falling sperm and shrinking penis: toxic chemicals threaten humanity | Environment

Sperm whales in the 19th century shared information about attacks on ships | Whales

Sperm from older mice passes on fewer active genes to their offspring due to epigenetic changes

‘Reaches zero in 2045’: scientist makes surprising predictions about sperm count

Falling sperm count “threatens human survival”, warns the expert

Falling sperm cells ‘threaten human survival’, expert warning | United States News

COVID-19 may decrease sperm count, small study found

Tortuous sperm ‘poison’ your rivals, forcing them to swim in circles until they die

Male fertility: Covid-19 may affect sperm, a study concluded, but experts recommend caution about new evidence