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Your search has returned 202 articles:
  • News

    Shallow reef species may not find refuge in deeper water habitats

    Deep water reefs are unlikely to be safe harbors for many fish and coral species from shallow reefs threatened by climate change and human activity. Shallow water creatures may have trouble adapting to conditions in the deep, scientists report in the July 20 Science. Plus, deep reefs are facing the same threats that are putting shallower ones at risk.

    The study deals a blow to the “deep...

    07/19/2018 - 15:21 Oceans, Ecosystems, Climate
  • News

    Bird poop helps keep coral reefs healthy, but rats are messing that up

    When invasive rats chow down on island seabirds, coral reefs suffer.

    Researchers studied islands with and without the rodents in the Chagos Archipelago in the Indian Ocean. On rat-free isles, there were on average 1,243 birds per hectare compared with about two birds per hectare on rat-infested islands, the team found. And these rodentless islands had healthier coral reef ecosystems. The...

    07/11/2018 - 13:02 Ecosystems, Animals, Oceans
  • The –est

    Each year painted lady butterflies cross the Sahara — and then go back again

    Move over, monarchs. The painted lady butterfly (Vanessa cardui) now boasts the farthest known butterfly migration.

    Though found across the world, the orange-and-brown beauties that live in Southern Europe migrate into Africa each fall, crossing the Sahara on their journey (SN Online: 10/12/16). But what happened after was a mystery because the butterflies disappeared. Researchers...

    06/20/2018 - 07:00 Animals, Ecology, Ecosystems
  • Science Ticker

    Treating roads with oil and gas wastewater may spread harmful pollution

    Each year, finding and extracting oil and gas for energy produces hundreds of billions of gallons of wastewater in the United States. When recycled and spread on roads, the wastewater can leak its contaminants, including salt, radioactive elements and chemicals that interfere with hormones, into groundwater and surface water, researchers report May 30 in Environmental Science and Technology....

    05/30/2018 - 17:49 Pollution, Ecosystems
  • News in Brief

    The first Americans could have taken a coastal route into the New World

    Ancient colonizers of the Americas could have traveled down Alaska’s Pacific coast in canoes or other sea vessels around 17,000 years ago, a new study finds.

    At that time, toward the end of the last ice age, glaciers had just receded from a cluster of southern Alaskan islands, say geologist Alia Lesnek of the University at Buffalo in New York and colleagues. Life-supporting habitats...

    05/30/2018 - 14:00 Climate, Ecosystems, Anthropology