Why Don't Sled Dogs Ever Get Tired?

Humans can outrun every species on the planet over ultra-marathons except...dogs. Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.

Please follow Bob's Blitz on Twitter for exclusive Blitz stories.

*Return to Bob's Blitz Homepage -- *Contact Bob's Blitz -- ⓒ2008-2018 BobsBlitz.com

Cookies & Privacy Policy -- About Us -- Copyright Policy -- Secure Version