Category Archives: earth

Snowball Earth was Trigger for Early Animal Evolution

A team of scientists, led by biogeochemists at the University of California, Riverside, has found new evidence linking “Snowball Earth” glacial events to the rise of early animals.The controversial Snowball Earth hypothesis posits that the Earth was covered from pole … Continue reading →

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Peru Mines Bird Excrement on Islands

It was a treasure for the Incas, the cause of a war, and once a backbone of Peru’s economy. Now as the world hungers for sustainable resources, bird excrement is once again as prized as gold. Handful of islands off … Continue reading →

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New View of Tectonic Plates Through Computer Modeling of Earth’s Mantle Flow, Plate Motions, and Fault Zones

Computational scientists and geophysicists at the University of Texas at Austin and the California Institute of Technology (Caltech) have developed new computer algorithms that for the first time allow for the simultaneous modeling of Earth’s mantle flow, large-scale tectonic plate … Continue reading →

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North American Continent Is a Layer Cake, Scientists Discover

The North American continent is not one thick, rigid slab, but a layer cake of ancient, 3 billion-year-old rock on top of much newer material probably less than 1 billion years old, according to a new study by seismologists at … Continue reading →

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