I'm Batman - Amy Wray
View full lesson: http://ed.ted.com/lessons/i-m-batman-amy-wray What flies through the night, silently guarding and protecting our world from evil? Batman?
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Flying through the night, I watch over this world, a silent guardian, a watchful protector, a dark knight, I'm... Okay, fine. So, I'm not Batman. I'm just a bat. But like Batman, I'm often misunderstood. People think I'm scary, strange and dangerous. If they only knew my story, though, I'd be cheered as a hero. When people think of bats, many think of vampires who want to suck their blood. But the truth is that out of over 1200 bat species, only three are vampire bats. Out of these three, only one prefers the blood of mammals, and even these bats mostly feed on cattle. Maybe that still doesn't seem so great, but vampire bats can be a great help to humans. A chemical known as desmoteplase found in vampire bat saliva helps break down blood clots, and is b...
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Flying through the night, I watch over this world, a silent guardian, a watchful protector, a dark knight, I'm... Okay, fine. So, I'm not Batman. I'm just a bat. But like Batman, I'm often misunderstood. People think I'm scary, strange and dangerous. If they only knew my story, though, I'd be cheered as a hero. When people think of bats, many think of vampires who want to suck their blood. But the truth is that out of over 1200 bat species, only three are vampire bats. Out of these three, only one prefers the blood of mammals, and even these bats mostly feed on cattle. Maybe that still doesn't seem so great, but vampire bats can be a great help to humans. A chemical known as desmoteplase found in vampire bat saliva helps break down blood clots, and is b...
