Search Results for: Dolphins

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441 results
  1. Ecosystems

    Beavers are engineering a new Alaskan tundra

    Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.

  2. Science & Society

    These are the most-read Science News stories of 2017

    From Cassini and eclipses to ladybugs and dolphins, Science News online readers had a wide variety of favorite stories on our website.

  3. Animals

    One creature’s meal is another’s pain in the butt

    Kelp and dolphin gulls in Patagonia have found a new food source. But they accidentally injure fur seal pups to get it.

  4. Animals

    Tool use in sea otters doesn’t run in the family

    A genetic study suggests that tool-use behavior isn’t hereditary in sea otters, and that only some animals need to use tools due to the type of food available in their ecosystem.

  5. Life

    City dolphins get a boost from better protection and cleaner waters

    Bottlenose dolphins near Adelaide, Australia, are slowly growing in number due to better environmental conditions and better protection.

  6. Particle Physics

    Readers puzzled by proton’s properties

    Readers sent feedback on under-ice greenhouses in the Arctic, the Martian atmosphere and more.

  7. Health & Medicine

    As algae blooms increase, scientists seek better ways to predict these toxic tides

    Scientists around the United States are developing programs that can predict harmful algal blooms in advance.

  8. Animals

    Elephant seals recognize rivals by the tempo of their calls

    The distinct sputtering-lawnmower sound of a male elephant seal’s call has a tempo that broadcasts his identity to competitors.

  9. Paleontology

    Ancient whale tells tale of when baleen whales had teeth

    A 36 million-year-old whale fossil bridges the gap between ancient toothy predators and modern filter-feeding baleen whales.

  10. Animals

    Snot could be crucial to dolphin echolocation

    An acoustic model reveals that echolocation relies on mucus lined tissue lumps in the animal’s nasal passage.

  11. For harbor porpoises, the ocean is a 24-hour buffet

    Scientists tagged harbor porpoises with monitoring equipment and found that the small cetaceans eat thousands of fish throughout the day.

  12. Animals

    Whales are full of toxic chemicals

    For decades, scientists have been finding troublesome levels of PCBs, mercury and other toxic chemicals in whales and dolphins.