New discovery reveals how the egg controls sperm entry

After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo. This is according to a new study led by researchers ...

Becoming human: An ancient genome perspective

Writing a commentary in the 50th anniversary issue of Cell, Fu Qiaomei and E. Andrew Bennett, both of the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences, explored the ...

We're social beings: So are the microbes in our microbiomes

The COVID-19 pandemic reminded us that social interactions transmit pathogens. But do humans spread "good" bugs, too? Very much so, say a team of biologists who are probing the links between the microbiome and health.

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