Video: The chemistry behind kibble

Have you ever thought about how strange it is that dogs eat these dry, weird-smelling bits of food for their entire lives and never get sick of them?

High-altitude weight loss may have an evolutionary advantage

Weight loss at high altitudes—something universally experienced by climbers and people who move to higher terrain—may not be a detrimental effect, but rather is likely an evolutionarily-programmed adaptation, according ...

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