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honestly get over your self!
Posted on December 4, 2011 via AndreeaBumBum with 24,143 notes
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Posted on December 4, 2011 via The Unloved And The Unnatural with 81 notes
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Posted on December 4, 2011 via fuck you very much with 477 notes
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Posted on December 4, 2011 via The Unloved And The Unnatural with 37 notes
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Posted on December 4, 2011 via fuck you very much with 702 notes
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Posted on December 4, 2011 via Everything-Inspiring.net with 937 notes
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Happy Scientific Thanksgiving
Posted on November 25, 2011 via Fake Science with 338 notes
Source: fakescience
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Aroogula asked and ye shall receive.
Nudibranchs. I think everyone agrees that these are some of the most beautiful ocean creatures that you’ll ever find, but i feel like a lot of people don’t know much about the science of them.
There’s around 3000 species of Nudibranchs, so its quite a large group of organisms; all lack shells when fully grown. All are carnivorous, feeding on Hydrozoans, a class of animals related to jellyfish, sponges and some on other sea slugs.
Some Nudibranchs have an incredibly cool mechanism that enables them to feed on stinging Hydrozoans and the like: They can “steal” the stinging cells and assimilate them into their own tissues and use them for defence.
A similar mechanism also allows them to take in chloroplasts so that they can photosynthesise.
They really are amazing creatures.
Posted on November 25, 2011 via The Seablog with 406 notes
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Tryptophan is one of the 20 standard amino acids, as well as an essential amino acid in the human diet. The word was coined in 1890 by combining the German word tryptic from the Ancient Greek root trypsis meaning rubbing and phanein meaning to bring light to or to shine light on. Rats fed a low tryptophan diet showed reduced blood levels of triiodothyronine, which was suggested to retard the aging process. Rats on tryptophan-reduced diets have shown increased maximum life span and improved biomarkers of aging (although the rate of initial deaths was higher than in controls). The result was attributed to harmful effects of the age-related increase in brain serotonin. (Courtesy Wikipedia)
Image of molecular structure of tryptophan.
Posted on November 25, 2011 via Kids need Science with 227 notes
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