(via SciShow) We've been using lab rats for over a hundred years, and they've been part of some of the biggest medical breakthroughs ever. But what comes next? From organs on a chip to computer ...

Each day technicians at the Jackson Laboratory in Bar Harbor, Maine, check on special groups of mice in their care. The mice are all more than 600 days old, roughly 60 in human years; some are much ...

Scientists have discovered a more robust way of grouping chemicals and using read-across for toxicological data to meet regulatory requirements, which could greatly reduce animal testing. Scientists ...

The agency is cutting animal testing of chemicals. Some scientists are concerned, but in the meantime the rats (and zebra fish) need new homes. By Hiroko Tabuchi Employees at the Environmental ...

Employees at the Environmental Protection Agency’s research campus in North Carolina are preparing to take on a new responsibility. Bring home lab rats as pets. Or maybe some zebra fish. Both animals ...