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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
Michigan lawmaker wants to charge Nestlé $20M a year for water extraction
As It Happens
'Don't mock it until you try it': Scottish Haggis coming to Canada for 1st time in 5 decades
Why you should read War and Peace on your phone
quirks and quarks
How Zika mutated and became a terrifying plague