New study shows optimised nutrient use supports sustainable agriculture and strengthens biological control BEIJING, ...
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 ...
President Trump has championed access to in vitro fertilization (IVF) and even dubbed himself the “fertilization president” ...
In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a 'fairy tale,' rooted in ...
Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...
More than 9 million babies have been born using assisted reproductive technologies like in vitro fertilization. But the treatments, which can be expensive as well as physically and emotionally ...