UCLA graduate student Jeffrey Riffell and UCLA biology professor Richard Zimmer report the first experimental test on the role of small-scale physics as it influences the interactions between sperm ...

(a) A pollen grain containing the two sperm cells. It produces a pollen tube, which arrives at the ovule. After the arrival, one of the synergid cells degenerates and the pollen tube bursts to ...

The finding recasts the role of the egg in the fertilization process. The old notion of the egg as a passive partner for sperm entry is out. Instead, the researchers found, there are molecular players ...

The development of every animal in the history of the world began with a simple step: the fusion of a spermatozoon (the male gamete) with an oocyte, or egg (the female gamete). Despite the ubiquity of ...

The emotional and physical experiences that accompany family building may be overwhelming, particularly when infertility ...

A study suggests that iron fertilization, the process of putting iron into the ocean to encourage the growth of carbon dioxide capturing alga blooms, could backfire. A new study on the feeding habits ...

If you’ve been trying to conceive for some time but are still getting negative pregnancy tests, then IVF, or in vitro fertilization, may be an option for you. So what is IVF? In short, it’s a ...