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A study published last week in the journal Nature describes a new backpack that can make heavy loads feel lighter, thereby reducing physical strain as the wearer walks or runs. The backpack, developed by University of Pennsylvania biology professor Larry Rome, uses bungee cords to help suspend the weight. Rome says the bungee cords can decrease the force of a load by 86 percent.

To see videos of the ergonomic backpack in action, visit my new blog, wavLength.

To learn more about Rome's backpack, visit Lightning Packs.