Life on Earth possesses an exceptional ability to self-reproduce, which, even on a simple cellular level, is driven by ...

which involves custom-making human eggs and sperm in the laboratory from any cell in a person's body. "It is on the precipice of materialization," says Adashi, a reproductive biology specialist ...

For decades, donated eggs or sperm have been the mainstay of infertility treatments, leaving many hopeful parents without a ...

We still don't understand enough of the unique biology of human gametogenesis (the formation of reproductive cells) to reproduce Hayashi's provocative work in mice''. Details were presented at the ...

Save guides, add subjects and pick up where you left off with your BBC account. Sometimes it’s easy to tell if something is living or not. A teddy bear might look like a bear, but it cannot do ...

"For most animals, a new genetic mutation can only contribute to evolutionary change if it occurs in a germline or reproductive cell, for example in an egg or sperm cell. Mutations that occur in ...

Sperm is the male reproductive cell in vertebrates. The term is derived from the Greek word "sperma" meaning "seed". Sperm were first observed under a microscope in 1677 by Antonie van Leeuwenhoek ...

A possible solution rests in embryonic stem cells, which can differentiate ... Researchers from the A*STAR Institute of Molecular and Cell Biology (IMCB) have identified Nr1h2, a critical ...

allowing them to mimic the first few days after two sexually reproductive cells meet. They use CRISPR-based engineering methods to prompt stem cells to organize into "programmable" embryo-like ...