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Organic is only one ingredient in recipe for sustainable food future
Many people choose organic thinking it’s better for humans and the planet, but a new UBC study published today in Science Advances finds that might not always be the case.
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Mayo Clinic discovers high-intensity aerobic training can reverse aging processes in adults
Everyone knows that exercise is good for you, but what type of training helps most, especially when you’re older – say over 65? A Mayo Clinic study says it’s high-intensity aerobic exercise, which can reverse some cellular aspects of aging. The findings appear in Cell Metabolism.Mayo researchers compared high-intensity interval training, resistance training and combined training.…
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NASA Sees Wind Shear Affecting Tropical Cyclone 11S
Tropical Cyclone 11S appeared elongated in NASA satellite imagery as a result of the storm being battered by wind shear.When NASA's Terra satellite flew over Tropical Cyclone 11S on March 10 at 0515 UTC (12:15 a.m. EST) the Moderate Resolution Imaging Spectroradiometer or MODIS instrument took a visible light picture of the storm. The image…
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Volcano Breath: Measuring Sulfur Dioxide from Space
There is no mint that can take the edge off sulfurous emissions from volcanoes, but researchers can use remote sensing to better understand volcanic breathing.Volcanoes erupt, they spew ash, their scarred flanks sometimes run with both lava and landslides. But only occasionally. A less dramatic but important process is continuous gas emissions from volcanoes; in…
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Fukushima catastrophe unfolds … key facts and figures for an unhappy sixth anniversary
The 2011 Fukushima catastrophe is an ongoing disaster whose end only gets more remote as time passes. The government is desperate to get evacuees back into their homes for the 2020 Tokyo Olympics, but the problems on the ground, and in the breached reactor vessels, are only getting more serious and costly, as unbelievable volumes…
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Measurements by school pupils paved way for key research findings
With their measurements and samples, nearly 3,500 schoolchildren have assisted a research study on lakes and global warming, now published in an academic journal. The results show that water temperatures generally remain low despite the air becoming warmer. This helps to curb the outflow of greenhouse gases.
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Carbon-based Approaches for Saving Rainforests Should Include Biodiversity Studies
Conservationists working to safeguard tropical forests often assume that old growth forests containing great stores of carbon also hold high biodiversity, but a new study finds that the relationship may not be as strong as once thought, according to a group of researchers with contributions from WCS (Wildlife Conservation Society) and other organizations. Tropical forests are exceptionally rich…
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Energy crop production on conservation lands may not boost greenhouse gases
Growing sustainable energy crops without increasing greenhouse gas emissions, may be possible on seasonally wet, environmentally sensitive landscapes, according to researchers who conducted a study on Conservation Reserve Program (CRP) land.Debasish Saha, postdoctoral scholar in plant sciences, Penn State College of Agricultural Sciences, and colleagues measured the amount of nitrous oxide, a potent greenhouse gas, emanating from…
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NASA's Aerial Survey of Polar Ice Expands Its Arctic Reach
For the past eight years, Operation IceBridge, a NASA mission that conducts aerial surveys of polar ice, has produced unprecedented three-dimensional views of Arctic and Antarctic ice sheets, providing scientists with valuable data on how polar ice is changing in a warming world. Now, for the first time, the campaign will expand its reach to…
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Rapid Blood Pressure Drops In Middle Age Linked to Dementia in Old Age
Temporary episodes of dizziness or light-headedness when standing could reduce blood flow to the brain with lasting impacts.