Four Things EVERYONE Needs to Know about Sharks

Posted by Queuebot in Animal, Science & Tech on September 29, 2009 at 1:22 pm

Marine biologist and blogger "WhySharksMatter" has created a list of four things everyone needs to know about sharks. Full of  thought-provoking facts and cool pictures of sharks, this post will be interesting to the ocean lover in all of us.

“Human beings are better off with sharks than we are without sharks, and we are in danger of losing them forever… but you can help!”

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From the Upcoming ueue, submitted by whysharksmatter.

 
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Negative CO2 Emitting Cement

Posted by Jill Harness in Everything Else, Science & Tech on January 1, 2009 at 4:50 pm

People love to overlook certain things that pollute, just because we don’t have an alternative yet. We never talk about the emissions caused from cement, which produces more carbon dioxide than the entire aviation industry. Did you know that 5% of all CO2 production comes from cement?

There is finally an alternative. The British engineering firm, Novacem, has created a new cement that uses magnesium silicates, which emit no carbon dioxide when they are heated. As the cement hardens, it absorbs CO2. In all, it removes about .6 tons of carbon dioxide per ton of cement used.

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