"An individual human is either female or male based on whether the person is of the sex characterized by a reproductive system with the biological function of producing eggs (ova) or sperm." ...

The world’s first sperm race is here! Over 1000 people will watch the first-ever sperm race live Learn why this event is ...

The male reproductive system has two testes (singular ... giving insight to the human body and its capabilities. BBC Teach has thousands of free, curriculum-linked resources to help deliver ...

Human sperm count has fallen by over 50 ... such as phthalates," can also disrupt the development of the male reproductive system," Levine added, speaking with CNN. Even climate change and the ...

One of the most fascinating aspects of human life is how we choose ... on strategies for maximizing individual reproductive success. Aa Aa Aa A mating system describes how males and females ...

Los Angeles is set to host the worlds first ‘live sperm race on April 25. The one-of-a-kind event, hosted by Sperm Racing, a ...

The race will feature sperm samples competing in real-time via high-resolution imaging on a microscopic racetrack modelled on ...