The “241 Runners” database is now live at 241runnersawareness.org, helping adoptive families find missing loved ones. We speak with founder Lisa Tomas.

When most people think of sharks, they picture large and dangerous predators. But a new species has been discovered that is only the size of a ruler.

A rare North American bumble bee may have been on a path toward extinction long before modern human impacts, suggesting that its long-term genetic ...

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