Earlier this month, a sixth round of United Nations-convened talks to address the plastics crisis fell apart. Since 2022, countries have worked to reach an agreement on a legally binding plastic ...

For years, India was thought of as the Wild West of the fertility industry. But in 2021, a new law in India made it illegal for women to sell their eggs or serve as paid surrogates. That law clashed ...

In their piece, published in Nature Human Behaviour, IIASA Distinguished Emeritus Research Scholar Wolfgang Lutz and IIASA Senior Researcher Guillaume Marois, who is also an associate professor at the ...

A recent study shows evidence of what scientists have feared for a long time: the effects of microplastics on human fertility. For the first time, scientists have discovered microplastics in the ...

The soil roundworm Caenorhabditis elegans has just 959 cells and a body that is mostly gut and reproductive organs. Yet its reproduction is similar enough to ours that scientists like Francis McNally ...

The male reproductive tract is a specialized environment that is inhabited by a diverse microbiota. Semen, which contains secretions from multiple glands and the testes, serves as a convergence point ...

A 2025 study on medaka embryos has revealed something remarkable: the size of a sperm’s head alone can determine whether or not it can trigger egg development across species through a process called ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

Researchers have uncovered how successful chromosome segregation during sexual reproduction is achieved in plants. The discovery, by scientists led by the University of Leicester, could be beneficial ...