• Why the harsh Snowball Earth kick-started our earliest multicellular ancestors

    Updated: 2024-06-27 21:18:27
    Why did multicellularity arise? Solving that mystery may help pinpoint life on other planets and explain the vast diversity and complexity seen on Earth today, from sea sponges to redwoods to human society. A new article shows how specific physical conditions -- especially ocean viscosity and resource deprivation -- during the global glaciation period known as Snowball Earth could have driven eukaryotes to turn multicellular.

  • Velocity structure of the Queen Charlotte Fault across the 2013 Mw 7.5 Craig earthquake region

    Updated: 2024-06-27 01:14:40
    Home Search Browse Collections My Account About Digital Commons Network™ Skip to main content CEDAR Home About Western Libraries FAQ My Account Western CEDAR Previous Next Home WWU Graduate and Undergraduate Scholarship WWU Graduate School Collection 1317 WWU Graduate School Collection The vast majority of theses in this collection are open access and freely available . There are a small number of theses that have access restricted to the WWU campus . For off-campus access to a thesis labeled Campus Only Access , please log in here with your WWU universal ID , or talk to your librarian about requesting the restricted thesis through interlibrary . loan Velocity structure of the Queen Charlotte Fault across the 2013 Mw 7.5 Craig earthquake region Author Lazaro Valentin Garza Western

  • Iceland's volcano eruptions may last decades

    Updated: 2024-06-26 19:20:33
    Scientists predict from geochemical data that Iceland is entering a new volcanic era that will last for decades, possibly centuries. Under an hour's drive from the country's capital city, the ongoing eruptions pose considerable risks for economic disruption, and they leave evacuated communities uncertain of a possible return.

  • What are asteroids made of?

    Updated: 2024-06-18 14:00:00
    C-type, S-type, and M-type are the three most common kinds of asteroids. Here's what each type is made of.

  • The rotation of Earth's inner core has slowed, new study confirms

    Updated: 2024-06-13 20:11:47
    The new study provides unambiguous evidence that the inner core began to decrease its speed around 2010, moving slower than the Earth's surface.

  • Laser tests reveal new insights into key mineral for super-Earths

    Updated: 2024-06-12 18:08:50
    Scientists have for the first time observed how atoms in magnesium oxide morph and melt under ultra-harsh conditions, providing new insights into this key mineral within Earth's mantle that is known to influence planet formation.

  • A mountainous mystery uncovered in Australia's pink sands

    Updated: 2024-06-12 15:33:48
    Deposits of deep-pink sand washing up on South Australian shores shed new light on when the Australian tectonic plate began to subduct beneath the Pacific plate, as well as the presence of previously unknown ancient Antarctic mountains.

  • The solar system may have passed through dense interstellar clouds 2 million years ago, altering Earth's climate

    Updated: 2024-06-10 18:02:49
    Astrophysicists calculate the likelihood that Earth was exposed to cold, harsh interstellar clouds, a phenomenon not previously considered in geologic climate models.

  • Cascadia Subduction Zone, one of Earth's top hazards, comes into sharper focus

    Updated: 2024-06-07 19:17:30
    A new study has produced the first comprehensive survey of the many complex structures beneath the seafloor in the Cascadia Subduction Zone, off British Columbia, Washington, Oregon and California. It is providing scientists with key insights into how future disasters may unfold.

  • Breaking ground: Could geometry offer a new explanation for why earthquakes happen?

    Updated: 2024-06-05 20:24:21
    Researchers are adding a new wrinkle to a long-held belief about what causes earthquakes in the first place.

  • Shape and depth of ocean floor profoundly influence how carbon is stored there

    Updated: 2024-06-03 21:22:05
    The movement of carbon between the atmosphere, oceans and continents -- or carbon cycle -- regulates Earth's climate, with the ocean playing a major role in carbon sequestration. A new study finds that the shape and depth of the ocean floor explain up to 50% of the changes in depth at which carbon has been sequestered there over the past 80 million years. While these changes have been previously attributed to other causes, the new finding could inform ongoing efforts to combat climate change through marine carbon sequestration.

  • Fresh findings: Earliest evidence of life-bringing freshwater on Earth

    Updated: 2024-06-03 15:42:39
    New research has found evidence that fresh water on Earth, which is essential for life, appeared about four billion years ago -- five hundred million years earlier than previously thought.

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