Revealed: The dog breeds at the highest risk of dying from cancer
Medium-sized dogs have the highest cancer mortality risk, specifically flat-coated retrievers, while smaller breeds like Chihuahuas have the lowest risk.
Freak event probably killed last woolly mammoths, scientists say
Genetic analysis indicates a possible freak event, not inbreeding, led to the extinction of the last woolly mammoths on a remote Arctic island 4,000 years ago.
Freak event probably killed last woolly mammoths, scientists say
Genetic analysis indicates a possible freak event, not inbreeding, led to the extinction of the last woolly mammoths on a remote Arctic island 4,000 years ago.