Back in 1986, scientists at University of Nairobi and Harvard studied the remarkable load-carrying capacities of women from the Luo and Kikuyu tribes in East Africa. The women, it turned out, could ...

PHILADELPHIA – Old Saint Nick might very well be able to run from rooftop to rooftop without reindeer this year, if only he carried toys in a backpack like the one developed by biologists at the ...

WASHINGTON (7News) — It's not unusual to see little kids with giant backpacks, sometimes even tilting forward to keep from falling over backward. While most parents know to lighten up the load, what ...