[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:06.70,0:00:08.25,Default,,0000,0000,0000,,(Gentle music plays)\NHummingbirds are great.
Dialogue: 0,0:00:08.25,0:00:08.95,Default,,0000,0000,0000,,They're beautiful,
Dialogue: 0,0:00:08.95,0:00:10.83,Default,,0000,0000,0000,,they're fast\Nand when they hover,
Dialogue: 0,0:00:10.83,0:00:12.13,Default,,0000,0000,0000,,it almost seems\Nlike magic.
Dialogue: 0,0:00:12.65,0:00:15.81,Default,,0000,0000,0000,,But how do they do\Nwhen the wind gets gusty?
Dialogue: 0,0:00:15.81,0:00:16.86,Default,,0000,0000,0000,,That's what Australian
Dialogue: 0,0:00:16.86,0:00:18.89,Default,,0000,0000,0000,,and American scientists\Nwanted to find out
Dialogue: 0,0:00:18.89,0:00:20.58,Default,,0000,0000,0000,,when they put the four\NRuby-throated
Dialogue: 0,0:00:20.58,0:00:22.28,Default,,0000,0000,0000,,Hummingbirds\Nin a wind tunnel.
Dialogue: 0,0:00:22.28,0:00:23.35,Default,,0000,0000,0000,,And the answer is,
Dialogue: 0,0:00:23.35,0:00:24.40,Default,,0000,0000,0000,,they just do great.
Dialogue: 0,0:00:25.32,0:00:29.99,Default,,0000,0000,0000,,The birds did just fine\Nin a steady wind, no surprise there.
Dialogue: 0,0:00:29.99,0:00:31.79,Default,,0000,0000,0000,,They also did great\Nwith the wind speed
Dialogue: 0,0:00:31.79,0:00:34.29,Default,,0000,0000,0000,,varying\Nby as much as 15%.
Dialogue: 0,0:00:34.29,0:00:35.34,Default,,0000,0000,0000,,Just to compare,
Dialogue: 0,0:00:35.34,0:00:37.56,Default,,0000,0000,0000,,small drones\Ncan only handle 7%.
Dialogue: 0,0:00:38.25,0:00:39.28,Default,,0000,0000,0000,,One way the birds cope
Dialogue: 0,0:00:39.28,0:00:41.41,Default,,0000,0000,0000,,is that they change\Nthe angle and action
Dialogue: 0,0:00:41.41,0:00:43.06,Default,,0000,0000,0000,,of each wing\Nindependently,
Dialogue: 0,0:00:43.06,0:00:44.66,Default,,0000,0000,0000,,in the space\Nof a wing beat.
Dialogue: 0,0:00:44.66,0:00:47.86,Default,,0000,0000,0000,,Those wings are beating\N40 times per second.
Dialogue: 0,0:00:48.89,0:00:51.33,Default,,0000,0000,0000,,And constant\Nadjustment of the tail
Dialogue: 0,0:00:51.33,0:00:52.85,Default,,0000,0000,0000,,is very important,
Dialogue: 0,0:00:52.85,0:00:54.42,Default,,0000,0000,0000,,both in its position
Dialogue: 0,0:00:54.42,0:00:56.27,Default,,0000,0000,0000,,and in how much\Nit was fanned out.
Dialogue: 0,0:00:56.27,0:00:59.02,Default,,0000,0000,0000,,The next step the researchers\Nhave in mind,
Dialogue: 0,0:00:59.02,0:01:00.15,Default,,0000,0000,0000,,is to try to help
Dialogue: 0,0:01:00.15,0:01:03.01,Default,,0000,0000,0000,,the drones catch up,\Nby giving them tails.
Dialogue: 0,0:01:03.01,0:01:13.08,Default,,0000,0000,0000,,(Music plays, increasing in volume)
Dialogue: 0,0:01:13.08,0:01:22.01,Default,,0000,0000,0000,,(Music plays, increasing in volume)