Top Stories

Beach Sand Ripples Can be Fingerprints for Ancient Weather Conditions

Experiments show shifting ripple patterns can signal times of environmental flux.

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For Collecting Weather Data, Tiny Satellites Measure Up to Billion-Dollar Cousins

Study finds shoebox-sized CubeSats gather weather data comparably to data collected by larger satellites.

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Polymer Coating Cools Down Buildings

Columbia Engineers make white paint whiter—and cooler—by removing white pigment and invent a polymer coating.

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PCB Pollution Threatens to Wipe Out Killer Whales

More than forty years after the first initiatives were taken to ban the use of PCBs, the chemical pollutants remain a deadly threat to animals at the top of the food chain.

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Big Increase in Economic Costs if Emissions Cuts are Delayed

Stronger efforts to cut greenhouse gas emissions should be undertaken to avoid global warming of more than 1.5˚C - without relying on potentially more expensive or risky technologies to remove CO2 from the atmosphere or reduce the amount of sunlight reaching the Earth’s surface.

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How Some Algae May Survive Climate Change

Green algae stole genes from bacteria to survive in harsh environments, study suggests.

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New Invasive Bryozoan in Alaskan Waters

Local citizen scientists help biologists detect and track Alaska’s marine invaders.

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Hawai‘i Land Impacted by Sea Level Rise May be Double Previous Estimates

Land area in Hawai‘i is vulnerable to future sea rise, researchers say.

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Harnessing the sun’s energy in new ways

A small tract of land in the southwest corner of the former Horace Williams Airport property is slated to house the University’s latest renewable energy project, this one powered by the sun.

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Hairy legs and inflatable abdomens: How female dance flies attract males

When it comes to the mating game, it’s true that size does matter for North American male dance flies, who are most attracted to mates who display the largest inflatable abdominal sacs, says Rosalind Murray, a post-doctoral researcher in biology at the University of Toronto.

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