长期以来，教科书告诉我们，哺乳动物早期胚胎的细胞在发育初期是“平等”的，直到一定阶段后，才会因位置不同而走上不同的命运之路。然而，一项发表于顶级期刊的最新研究彻底颠覆了这一传统认知。

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 ...

Some hope fertilizing tiny, floating plants in the ocean, prompting them to suck carbon dioxide out of the air, could help solve global warming. A new experiment confirms this controversial idea has ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. In vitro ...

The Nobel prize in physiology or medicine has been awarded this year to Robert G. Edwards, an English biologist who with a physician colleague, Dr. Patrick Steptoe, developed the in vitro ...