Fitness 

The Effect of Leg Extensions on ACL Ligament : Smart Workouts

Subscribe Now: www.youtube.com/subscription_center?add_user=ehowfitness Watch More: www.youtube.com/ehowfitness The ACL is a ligament within the knee that helps extend the kneecap and make the leg straight. Find out about the effects of leg extensions on the ACL ligament with help from a certified Pilates Method instructor in this free video clip. Expert: Sarah Luna Filmmaker: Nicholas Wilson Series Description: Working out is one thing – working out in the smartest way possible for the goals that you’re trying to achieve is something else entirely. Get tips for a smart workout with help…

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News 

City Grids Intensify the Urban Heat Island Effect

By comparing buildings to water molecules, researchers found that the form of a city can intensify the urban heat island effect. In 1995, an unbearable heatwave in Chicago, with temperatures reaching above 100 degrees, killed an estimated 739 people. The extreme heat was in part a consequence of the urban heat island effect, which makes downtown areas ostensibly warmer than their surrounding suburban and rural areas. The difference is even starker at night: even as the temperature cools, the release of heat absorbed during the day by asphalt and densely…

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