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9 January 2019

Scientists breathalyze cows to measure methane emissions

Cattle burps are the number two source of methane in the U.S., but it’s tricky to measure exactly how much methane one cow produces in a day. That’s why researchers at the USDA-ARS Conservation and Production Research Laboratory in Bushland, Texas set out to use a number of different methane assessment methods — including a “breathalyzer for cows” — to determine the methane emissions of free-range cattle on Oklahoma grasslands.

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19 December 2018

Researcher finds a cheap way to identify invasive coconuts from space

Conservation scientists can use free satellite imagery to track invasive plant species on remote Pacific islands, according to new research. Mary Engels, a PhD student at the University of Idaho, has found a way to use freely available imagery from NASA’s Landsat satellites to identify coconut trees in Pacific Islands, rather than using costly images from private satellite companies.

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17 December 2018

Leafcutter ant colonies may be an overlooked source of carbon dioxide emissions, new study finds

Factories mass produce goods for society and many emit greenhouse gases in the process, but not all are run by humans. Some factories lie underground and are operated around the clock by tireless six-legged workers. A new study in the Journal of Geophysical Research: Biogeosciences, a journal of the American Geophysical Union, shows leafcutter ant nests can emit carbon dioxide at a rate thousands of times higher than regular soil.

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11 December 2018

Penguins! From space

Today at 2 pm EST, AGU is holding a press conference titled “Penguins! From space” at Fall Meeting 2018. New research will be discussed about how studying satellite images of penguin poop, or guano, in west Antarctica can give scientists an idea of how penguin diets changed over decades or centuries. To help you get a picture of the penguin research, check out this beautiful comic, created by JoAnna Wendel.

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15 December 2017

Proteins in shark teeth could hint at what they eat

Certain molecules found in shark teeth proteins could tell scientists how the predators are connected to other animals in the food web, according to new research.

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