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Scientists have a canine family tree that identifies 23 major groups of breeds. (Pixabay)
A new genetic analysis of dog breeds reveals some surprises.
Scientists develop a workout pill to increase endurance and burn fat.
Science gives elite runners a boost as they attempt this near-impossible feat.
The smallest cars ever made compete on the world's shortest racetrack.
Dr. Molly Shoichet wins a prestigious Killam Prize for her groundbreaking work on tissue engineering.
Could a castaway cat survive?
As It Happens
'Sailing the wake of our ancestors': Hawaiian canoers travel the world guided only by sea and stars
From counter-terrorism to cybercrime, can the police really do it all?
One man's mission to power wash hate away
How a little dog named Gobi changed an ultramarathoner's life