There's been a growing movement to develop new technologies to replace at least some of the animals used in scientific research. Researchers across Canada are working to create these tools, to usher in a new animal-free era for medical science.
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Harbor seals can 'talk' thanks to their parrot-like brains
'Flaming hot' water ice may explain Neptune and Uranus' strange magnetism
A thigh bone that could represent the oldest evidence of our human lineage
The ravens of Yellowstone remember where wolves typically kill their prey
