Where Do Trees Come From?

General discussions of forests and trees that do not focus on a specific species or specific location.

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edfrank
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Where Do Trees Come From?

Post by edfrank » Thu Jan 24, 2013 5:37 pm

Where Do Trees Come From?
1veritasium

http://www.youtube.com/watch?v=2KZb2_vcNTg
http://www.youtube.com/watch?v=2KZb2_vcNTg
Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, water, and sunlight. But the truth is the vast majority of a dry tree's mass comes from the air - it originated as carbon dioxide
"I love science and it pains me to think that so many are terrified of the subject or feel that choosing science means you cannot also choose compassion, or the arts, or be awe by nature. Science is not meant to cure us of mystery, but to reinvent and revigorate it." by Robert M. Sapolsky

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edfrank
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Re: Where Do Trees Come From?

Post by edfrank » Thu Jan 24, 2013 5:44 pm

[html]<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/2KZb2_vcNTg?hl ... ram><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/2KZb2_vcNTg?hl=en_US&version=3" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>[/html]
"I love science and it pains me to think that so many are terrified of the subject or feel that choosing science means you cannot also choose compassion, or the arts, or be awe by nature. Science is not meant to cure us of mystery, but to reinvent and revigorate it." by Robert M. Sapolsky

Joe

Re: Where Do Trees Come From?

Post by Joe » Fri Jan 25, 2013 9:03 am

nature really is all quite magical when you think about it--- from mostly air comes a tree...
Joe

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