Although most everyone we know wears shoes to run, it may be better to go barefoot. Barefoot running is more energy-efficient because the way most barefoot runners run gives them forward momentum. Barefoot runners’ feet usually hit the ground forefoot first directly under the centre of mass. Landing on the front of the foot first propels the body forward as if someone were pushing them from behind, as opposed to “heel striking”, where touching the ground heel first sends breaking forces back into the body instead of propelling you forward. Read full article here
Societal Issues
To curb drug deaths, communities turn to Reddit, texts and wastewater
With drug overdose deaths on the rise, authorities are attempting to curb the epidemic by tracking and sharing information in real time. In one unique effort, a nonprofit in New York City is using drug-testing equipment and stamping or marking habits of dealers to identify drug batches that may endanger users. Other approaches are also being used, such as monitoring drug-related chatter on Reddit and analyzing local wastewater for opioid and other drug levels. With the combination of these efforts, researchers hope to put a dent in the opioid crisis and reduce overdose deaths. Read full article here