The climate is warming, and much of the increase is due to greenhouse gases, the most prevalent gas being carbon dioxide. Methods for removing existing carbon from the atmosphere are in the works, and ...
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 ...
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 ...
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 ...
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 ...
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