Word: feet
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...study examines how runners coped with the force of collision on their feet before the introduction of the modern running shoe in the 1970s. Comparing habitually barefoot runners with shoe-wearing runners, Lieberman and his fellow researchers found that runners who run with footwear tended to land on their heels, while runners who run barefoot tended to land on the front or middle parts of their feet...
According to Lieberman, runners who strike the ground with their heels feel four times as much collisional force as runners who strike the ground on the front or middle parts of their feet...
...frenzied wave of local laws passed in Florida after the grisly 2005 rape and murder of 9-year-old Jessica Lunsford by a convicted sex offender. The state had already been the first to enact residency rules for convicted predators, barring them in 1995 from living within 1,000 feet of schools, playgrounds and other children's sites. Municipalities, with questionable authority, then adopted even tougher ordinances - there are 156 of them so far. Miami Beach, for example, bars offenders from living within 2,500 feet of all school-bus stops, effectively precluding them from living anywhere in the city...
...arousing sympathy for pedophiles - Miami-Dade County hopes to return some sanity to the issue. A new law takes effect on Monday that supersedes the county's 24 municipal ordinances, many of which make it all but impossible for offenders to find housing. It keeps the 2,500-feet restriction, but applies it only to schools. It also sets a 300-foot restriction to keep offenders from loitering near anyplace where children gather, which many experts call a more practical solution than harsh residency restrictions. (See "The Unkindest Cut: A Czech Solution for Sex Offenders...
...streets," says state senator Dave Aronberg, a Democrat running for state attorney general. The excessive rules, he adds, "have the effect of driving offenders underground and off law enforcement's radar." Aronberg is co-sponsoring a new bill that would establish uniform statewide residency rules fixed at 1,750 feet - studies show that in many cities, over 50% of available housing is within 2,500 feet of schools - and include the sweeping no-loitering zones...