A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm ...

Test tube puppies have arrived. For the first time, a dog has given birth to a litter of puppies conceived by in vitro fertilization, scientists report December 9 in PLOS ONE. The success could make ...

The sparks of metal atoms may protect against double fertilization. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Whether you're a frog or a ...

A simplified model describing the mutual gamete activation during double fertilization in Arabidopsis. Before fertilization EC1 proteins accumulate in secretory vesicles of the egg cell (A). Likewise, ...