September 7, 2011 6:34 am Making Strides in Preventing Falls Virginia Tech researchers work on sensors that can monitor an elderly patient’s fall risks. US & World Videos 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis 3:10 Nicole Kidman gushes over family's support at AFI honor