Why NASA monitors Penguin Poop (and Other NASA Stuff You Didn’t Know)

Yes, they really doo-doo. Sorry. Yes, they really do. Back in 1966 NASA launched the Landsat program – a bunch of satellites which orbit the earth recording images at various wavelengths (blue, green, red, infra-red, etc.) The latest satellite – Landsat 8 – scans 11 different wavelengths at a resolution of 30 meters. Since Adélie penguins are mostly a lot smaller than 30 meters across, they can’t be seen individually. But where there's a will,…

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#526 Let Me See You Sweat

Summer is coming, and summer means sweat. Why do we sweat so much, and how do we do it? We hear from Yana Kamberov about the evolutionary origins of our sweat glands, and why it's one of the things that makes us mammals. Then we talk about why some (but not all) of our sweat STINKS. We'll speak with Gavin Thomas about the bacteria that give us our BO. Related links: Comparative evidence for the…

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Creating platelets 2.0: stronger, faster, and with twice the life-saving power

Creating platelets 2.0: stronger, faster, and with twice the life-saving power Transfusion Blood Thursday, June 06, 2019 Stefanie Novakowski The ability to genetically modify a cell is a powerful tool. Genetically modified cells have advanced our understanding of how the body works and how diseases develop. They are currently used as treatments for a range of diseases, from cancers to bleeding disorders. Yet not all cells are easily modified. This is true of small cells that are indispensable…

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