For sex sorted semen, the ability to shift the gender ratio of a calf crop comes from the fact that gender is determined by the sperm cell that fertilizes the egg. Sperm cells that result in a heifer ...

But just like Mendel and his peas don’t fully explain the actual complexity of genetic inheritance, simple definitions for ...

In one of his first official acts, the new Secretary of Health and Human Services declared sex “unchangeable.” ...

The author made a few bucks donating sperm back in the day. Thirty years later, there was a phone call. Then another one.

Feb. 4, 2025 — Research has shown that a potential new targeted therapy for childhood brain cancer is effective in infiltrating and killing tumor cells in preclinical models tested in mice.

Feb. 18, 2025 — Viruses, like those that cause COVID-19 or HIV, are formidable opponents once they invade our bodies. Antiviral treatments strive to block a virus or halt its replication ...

A white woman is suing a fertility clinic over a heartbreaking IVF screw-up in which she gave birth to another couple’s baby ...

A stunning video from Chile shows a humpback whale briefly scooping a kayaker into its mouth before releasing him unharmed.

Facialist Katie Sobelman, better known as The Organic Esthetician, combines clean beauty with advanced beauty technology for ...

MPs had been debating the Human Fertilisation and Embryology Bill, which would allow regulated research using hybrid or 'admix' embryos, where the nuclei of human cells are inserted into animal eggs.