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 ...

Sperm cells carry traces of childhood stress, epigenetic study finds. Fathers may carry traces of their childhood trauma in their sperm cells, a new study finds. Prof Luke O'Neill brings us the ...

Fathers may carry traces of their childhood trauma in their sperm cells, a new study finds. The new research, published Jan. 3 in the journal Molecular Psychiatry, looked at the "epigenetics" of ...

The new research, published Jan. 3 in the journal Molecular Psychiatry, looked at the "epigenetics" of the sperm cells of fathers who had been exposed to high stress in childhood.

The reproductive systems of both men and women are essential for human reproduction. Conception occurs when a sperm cell from a man fertilises an egg cell from a woman, initiating the development of ...

Sperm meets egg: finding out what really happens, in this Moment of Science. In the 1870's biologists knew that, as a rule, animal egg cells would start to develop only when ...

The findings in this report may improve in vitro conditions to overcome this problem, as well as add important physiological context to the role of reproductive tract glandular secretions in ...

(H) Palmitate (C16:0). (I) Stearic acid (C18:0). (J) Oleic acid (C18:1). (K-N) The effect of culture supernatants of testosterone-treated cells on sperm motility was evaluated, especially after ACLY ...

The San Diego Zoo made headlines last spring with news that its so-called frozen zoo might be used to clone members of a critically endangered rhinoceros species. “In 2018, the last male northern ...

Jan. 31, 2025 — Prolonged illnesses like cancer and chronic infections often leave the immune system in a state of exhaustion, where its frontline defenders -- T cells -- lose their ability to ...

Jan. 30, 2025 — A new study has highlighted the potential of resveratrol, a natural compound found in grapes, blueberries, and raspberries, to enhance female fertility. The systematic review ...