Sperm has fooled scientists for 350 years – they spin not swim

Sperm actually move like a spinning top. Yurchanka Siarhei/ Shutterstock Sperm is critical for the fertilisation of almost every living organism on our planet, including humans. To reproduce, human sperm have to swim a distance equivalent to climbing Mount Everest to find the egg. They complete this epic journey simplyContinue Reading

Sperm has fooled scientists for 350 years – they spin not swim

Sperm actually move like a spinning top. Yurchanka Siarhei/ Shutterstock Sperm is critical for the fertilisation of almost every living organism on our planet, including humans. To reproduce, human sperm have to swim a distance equivalent to climbing Mount Everest to find the egg. They complete this epic journey simplyContinue Reading

Why urban density is good for health – even during a pandemic

Rasto SK/Shutterstock Disease outbreaks shape our cities. Public health concerns have influenced some of the most iconic developments in urban planning. London’s sewage systems were developed in response to cholera outbreaks in the 19th century. In the USA at the turn of the 20th century, public parks became a popularContinue Reading