"SPERM" content on TweakTown - Page 1

A team of researchers have made a breakthrough by creating the world's first synthetic human embryo without using any sperm or an egg.

Researchers have grown synthetic embryos without sperm or egg cells, instead using mice stem cells cultured in a petri dish.

The largest study of its kind has revealed that cryopreserved sperm are equally effective for intrauterine insemination as fresh.

Chinese scientists are using salmon sperm to create a squishy material called 'hydrogel', used as an alternative to plastic.

After spending six long weeks as frozen sperm, healthy 'space pups' are the newest members of the International Space Station.

Scientists work out a way to deliver cancer drugs to tumors, using sperm.

There's been a drop in native sperm donors in the United Kingdom, leading to increased imports from the USA and Denmark.