Top Stories

Poor Air Quality Does Not Offset Exercise’s Heart Benefits

Even in areas with moderate-to-high levels of traffic pollution, regular physical activity reduced the risk of first and recurrent heart attack, according to new research in Journal of the American Heart Association, the Open Access Journal of the American Heart Association/American Stroke Association.

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Suomi NPP Satellite Sees Compact Storm Son-Tinh Headed for Vietnam

NASA-NOAA’s Suomi NPP satellite flew over Tropical Storm Son-Tinh on July 18 after it crossed over Hainan Island, China and as it moved into the Gulf of Tonkin.

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Beef Jerky and Other Processed Meats Associated with Manic Episodes

An analysis of more than 1,000 people with and without psychiatric disorders has shown that nitrates—chemicals used to cure meats such as beef jerky, salami, hot dogs and other processed meat snacks—may contribute to mania, an abnormal mood state. Mania is characterized by hyperactivity, euphoria and insomnia.

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Study finds climate determines shapes of river basins

There are more than 1 million river basins carved into the topography of the United States, each collecting rainwater to feed the rivers that cut through them. Some basins are as small as individual streams, while others span nearly half the continent, encompassing, for instance, the whole of the Mississippi river network.

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Quick Soil Test Aims to Determine Nitrogen Need

Healthy soil contributes to healthy crops. Farmers know this, so they do what they can to ensure their soil is in good shape. They send samples of their soil for lab testing to find out if it is low in any important nutrients. If it is, they can take steps to improve the health of their soil. These might include adding fertilizers or growing cover crops that feed the soil.

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AI Technology Could Help Protect Water Supplies

Progress on new artificial intelligence (AI) technology could make monitoring at water treatment plants cheaper and easier and help safeguard public health.

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Heart Attack Risk on the Rise for Pregnant Women & Death Rate Remains High

The risk of having a heart attack while pregnant, giving birth, or during the two months after delivery, continues to increase for American women, a study finds.

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Deadly, animal-borne viruses like Nipah on the rise

Infections like Nipah virus and Ebola have begun to appear more rapidly among human populations over the past twenty years, but experts have yet to conclude why this may be the case.

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Passive House, Active Research

Building an ultra-energy efficient industrial-style building in a northern climate is no easy task, but the Wood Innovation Research Laboratory (WIRL) stands as proof it can be done.

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How Eating Seaweed Can Help Cows to Belch Less Methane

The spring morning temperature in landlocked northern California warns of an incipient scorcher, but the small herd of piebald dairy cows that live here are too curious to care. Upon the approach of an unfamiliar human, they canter out of their barn into the already punishing sun, nosing each other aside to angle their heads over the fence. Some are black-and-white, others brown; all sport a pair of numbered yellow ear tags. Some are more assertive than others. One manages to stretch her long neck out far enough to lick the entire length of my forearm.

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