Females supercharge sperm evolution in animals

Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job—to fertilize eggs? In a new article published in Nature Ecology and Evolution, researchers from ...

The complex link between population decline and a warming planet

It's time to stop blaming overpopulation for our environmental woes and start looking at the factors that really matter—resource consumption and toxic exposure as population growth and fertility rates show downward trends.

Sterilizing skeeters using CRISPR/Cas9

Mosquitoes are one of humanity's greatest nemeses, estimated to spread infections to nearly 700 million people per year and cause more than one million deaths.

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