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[科学美国人60秒] SSS 2020-02-04

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[科学美国人60秒] SSS 2020-02-04

SSS 20200204

sss
60秒科学节目(SSS)是科学美国人网站的一套广播栏目,英文名称:Scientific American - 60 Second Science,节目内容以科学报道为主,节目仅一分钟的时间,主要对当今的科学技术新发展作以简明、通俗的介绍,对于科学的发展如何影响人们的生活环境、健康状况及科学技术,提供了大量简明易懂的阐释。

Tune in every weekday for quick reports and commentaries on the world of science-- it will just take a minute.


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HomeworkThis is Scientific American 60 second science . The animal kingdom is a noise place , the birds sounds , croaks frogs and lots of other noise sounds like regine-like sounds the baby alligators calling for mom . It's lots of evidence dueing advetue curious , " When I was a kid , bredgroom have a pet all year and it vocalize the one . " DownWeens neverlutionary  a collegest of university of Verona . " Though I have babies alligator when I was a teenager , you know sometimes when I get the 'Wur-Wur-Wur ' and when I grow up they do ballows , slip north of sounds " Weens cribe Zhouchan wondered . Why did they know startful glize for the first place ? While why have bathes authorities abilities in acternal animals ? Cause , you know sound works so large than colours , horizers and other veral accuse we can't see . Winds in chain ablutionary tria of nearly eighteen hundred of speces and they naped information on whether lier by day or night and whether they makes sound . And one of the things we did that was to teast for call relation between the ablution of acasemulation and whether they ablutionary by day or by night . And we found a very strong relationship , so both they ablute at night tend involved cumucation . Suggest yhe acternal notion was more than just shaper dark , defindings vorb commiunications . This abilities vocalize like a rose independingtly motable science thousands years ago . In frgs , mamols ,  gacals and birds in vercal delines , the vocalize may have regineize animals . Some seem may lost abilities . Mepegolise will be active by  a retender .
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[Homework]SSS 2020-02-04

This is scientific Americans 60 seconds science.I'm C D.The animal kingdom is a noisy place.There is bird sound,courses of frogs and lots of __ known songs,kike a ray-gun-like sounds of a baby alligators hatching and calling for mom.It's lots of vedios of them doing the on YouTuBe _ curious.
''When I was a kid ,growing up ,I had a pet alligator and it vocalized like a lot.''John Wins,evolutionary ecologist at the University of Arizona.
''So I had this baby alligatoe ,when I was a teenager you konw,sometimes you konw,I can hear 'er,er,er,er,'and when they grow up they do below and slaps and all sounds.Why did animals start vocalizing in the first place?
Well.One hybo__ this was that the ability originated in alcternal animals .Cause,you konw,sound works a lot better than colors or horns or other visual cues when you cam't see.
W and Chen built an evolutionary tree of nearly 1800 vertabers species,and they enapped onto it information on whether each live by day or night and whether made sound.

And so one of the things we did then was to do a tastible corrolation between the evolution of accus__  andwhether they were active by day or by night.And we found a very strong relationship,so both they are active at night,tend evolve to __ communication.
Suggesting that the norcternal notion with more than just shot on the dark.The findings are in the journal nature communications.These ability vocalize like a rose independently,multiple times ,hundreds of millions of years sgo,in frogs ,mammals,gecos and birds and corcodilines.And though vocalization may have orginated __ norca_ animals,some na__ twellers seem to lost ability ,my pangalines.While others ,which evolved to be active by day,retanained.
Like ,of course,you and me.
Thanks for listening,for scientific 60 seconds secience.I'm Christophen Doyag.

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