Female jumping spiders favor the most aggressive males
A new study provides evidence for sexual selection in these spiders
Scientists starved E. coli for 1200 days to learn about bacterial evolution
They saw two main lineages emerge and compete with each other — all in a single test tube
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Cellar spiders use chemical cues to identify each other's webs
This ability comes in handy for stealing a rival's hunting spot
Five sugar-hungry bacteria team up against a nasty stomach bug
Researchers are figuring out how to starve Clostridioides difficile infections
Skilled hermit crabs more likely to win battles over shell homes
There’s more to winning fights than brute strength in the animal kingdom
