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The eggs are able to choose the sperm they attract

The eggs are able to choose the sperm they attract. This is, at least, what emerges from a study carried out by the universities of Stockholm and Manchester. A work published by the scientific journal The Royal Society, in its section dedicated to ongoing research. This magazine is very relevant. And it is one of […]

100 million years old has the oldest known sperm

100 million years old has the oldest known sperm so far. It is a remains of sperm found in a female of a small crustacean from the Cretaceous era. A small being that was enclosed in a drop of amber. A form of conservation that has allowed it to reach our days. Thus facilitating the […]

Human sperm is not anything like it was previously believed

Human sperm is not anything like it was previously believed. This is, at least, what emerges from a study published by the prestigious journal Science Advances, specialized in making known the latest findings of the scientific community. A work that in Spain we knew  few days ago thanks to an article published in the newspaper […]