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Alaska’s Orange Rivers More Metallic Than Acid Mine Drainage

The bright orange plumes of water scientists first noticed billowing across a river in Alaska’s Brooks Range in 2018 were even more acidic and metallic than water leached from metal mines, despite their pristine surroundings.

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Sheep Grazing May Pose Greater Threat to Scotland’s Wild Pollinators Than Honey Bees

The research, published in the British Ecological Society’s Journal of Applied Ecology, has found that grazing in spring can remove much of the nectar emerging bumblebees need, while commercial honey bee hives introduced during the summer heather flowering period have a much smaller impact.

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Silicon Solar Cells Could Cut Satellite Power Costs by Up to 90 Per Cent

The switch to silicon cells could also halve the weight of the solar cells needed on the spacecraft, freeing mass for fuel or instruments, or cutting launch costs.

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Sharks Can Hear Sounds Nearly 250 Feet Away and Find the Source

Sound travels through the ocean carrying clues about potential prey, predators and other animals, giving sharks an important way to detect what they cannot yet see.

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Growing Smarter to Tackle Ontario's Farm Challenges

Researchers at the University of Waterloo are working with government, academic and industry partners to tackle several challenges in Ontario’s agricultural sector, including short growing seasons, rising production pressures and crops that can fail long before anyone sees warning signs.

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Contaminated Soil Poses Hidden Lead Threat Inside Homes

Lead contamination in soil tracked inside homes can cause dangerous indoor lead dust levels even in residences with no interior lead-based paint, according to researchers with the Rutgers Environmental, Occupational and Health Sciences Institute in collaboration with community scientists: members of the general public who participate in data collection under the direction of scientists.

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Robot Sailboats Will Spend Five Years Measuring Carbon in the Southern Ocean

The Southern Ocean covers almost a third of the world’s ocean surface and connects the basins of every other major ocean, with unforgiving conditions that make research difficult.

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Marine Carbon Dioxide Removal is Advancing, But Questions Remain About Viability, Says New Digital Report

Marine carbon dioxide removal (CDR) has advanced significantly, with growing research activity, technological development, private-sector involvement, and movement toward field testing, but major questions remain about whether these approaches can remove carbon dioxide at meaningful scales, how that removal can be reliably measured and verified, potential environmental effects, and how marine CDR should be governed, says a new digital report from the National Academies of Sciences, Engineering, and Medicine.

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