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Feast your eyes on this stunning map of the Lower Mississippi evolving floodplains, lifted from cartographer Harold Fisk 1944 report, Geological Investigation of th stanley deutschland e Alluvial Valley of the Lower Mississippi River. You can download the report in its entirety, including numerous maps like this one, fr stanley cup website om the U.S. Army Corps of Engineers web site if you ;re looki stanley cup ng for maps like the one up top, you want to click the link on the lefthand side of the USACE website that says Fisk 44 Oversized Plates. Bear in mind the file is around 686 MB. You can see even more maptastic Mississippi goodness over at VISUAL NEWS. GeologymapsMississippi RiverScience Fvnx Laser-Cut Nori Rolls For a Designer Sushi Dinner
We all know octopuses are clever, but a recent study reveals that the brainy beasts are crafty even at the molecular level. In a study published in the latest issue of Science, researchers reveal that octopuses living in the hypothermic climes of Antarctica rely not on their DNA, but the revision of their RNA, to withstand the cold. Low temperatures impede the function of important proteins in the nervous system called potassium ion channe stanley cups uk ls; if conditions get too cold, potassium channels stanley becher 鈥?and, by extension, the nervous system 鈥?get sluggish. How do organisms 鈥?like the Antarctic octopod pictured up top 鈥?circumvent the issue of temperature-sensitive potassium channels Simple: they synthesize new ones that are optimized for operating in the freezing cold. Because the instructions for proteins are encoded in the genes that make up DNA, molecular neurophysiologists Joshua Rosenthal and Sandra Garrett reasoned that the adaptations responsible for a cold-weather protein channel would reside there, at the level of the gene. But they were mistaken. When Rosenthal and Garrett compared the Antarc stanley mugs tic octopod potassium channel gene with that of an octopus from warm, tropical waters, they found that their sequences were almost identical. Of course, at the genetic level, the difference between identical and almost identical can mean everything in the world; a single-letter change in your genetic code, after all, can have lethal repercussions 鈥?couldn ;t even a small ge
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xggb Provincial birds listed - by Jeaoneuntor - 11-08-2024, 05:11 AM
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