Videos of the Week http://natgeotv.com/asia en-GB 29 05 2012 Test your Brain http://natgeotv.com/asia/test-your-brain/videos/echolocation <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/test-your-brain/videos/echolocation"><img src="http://assets.natgeotv.com/Videos/17401.ThumbL.jpg" /></a><b>Echolocation</b><br />Similar to how bats use sound to navigate in the dark Daniel uses a click sound to perceive the presence of objects. Test your Brain http://natgeotv.com/asia/test-your-brain/videos/pay-attention <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/test-your-brain/videos/pay-attention"><img src="http://assets.natgeotv.com/Videos/17627.ThumbL.jpg" /></a><b>Pay Attention</b><br />Are you a good multi-tasker? Play this brain game and find out! Test your Brain http://natgeotv.com/asia/test-your-brain/videos/switcheroo <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/test-your-brain/videos/switcheroo"><img src="http://assets.natgeotv.com/Videos/17307.ThumbL.jpg" /></a><b>Switcheroo</b><br />Is your brain prepared to notice changes that happen right in front of your eyes? 9/11 and the American Dream http://natgeotv.com/asia/911-and-the-american-dream/videos/tower-collapse <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/911-and-the-american-dream/videos/tower-collapse"><img src="http://assets.natgeotv.com/Videos/16996.ThumbL.jpg" /></a><b>Tower Collapse</b><br />Eye-witnesses describes the scene when the south tower collapsed. Fish Warrior http://natgeotv.com/asia/fish-warriorfish-warrior/videos/powerful-beast <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/fish-warriorfish-warrior/videos/powerful-beast"><img src="http://assets.natgeotv.com/Videos/13579.ThumbL.jpg" /></a><b>Powerful Beast</b><br />Vágner ventures into the world’s largest rain forest to go head-to-head with the giant piraiba catfish. Restrepo: Outpost Afghanistan http://natgeotv.com/asia/restrepo/videos/juan-restrepo <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/restrepo/videos/juan-restrepo"><img src="http://assets.natgeotv.com/Videos/12375.ThumbL.jpg" /></a><b>Juan Restrepo</b><br />RESTREPO was a strategic outpost named in honour of their medic, PFC Juan Restrepo, who was killed in action. Great Migrations http://natgeotv.com/asia/great-migrations/videos/needtobreed-viral <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/great-migrations/videos/needtobreed-viral"><img src="http://assets.natgeotv.com/Videos/11022.ThumbL.jpg" /></a><b>NeedToBreed_VIRAL</b><br />GM_NeedToBreed_VIRAL_023559_High.mp4 Taboo http://natgeotv.com/asia/taboo/videos/sexual-identity <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/taboo/videos/sexual-identity"><img src="http://assets.natgeotv.com/Videos/440.ThumbL.jpg" /></a><b>Sexual Identity</b><br />Fa'Afafines' sex is male, but gender is female. Shark Men http://natgeotv.com/asia/shark-men/videos/the-new-team <a style=float:left; margin-right:10px; href="http://natgeotv.com/asia/shark-men/videos/the-new-team"><img src="http://assets.natgeotv.com/Videos/3020.ThumbL.jpg" /></a><b>The new team</b><br />The Shark Men have a brand new team but will it get them closer to their goal of an even bigger Great White?