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Unofficially, we are living in an era that some scientists call the Anthropocene epoch, due to the indelible impact humankind has made on the geology and ecology of the planet Earth. Our influence can be seen in areas such as our effect on the planet’s biodiversity, the warming of the Earth’s climate, the depositing of radioactive materials, and also in literal changes to the landscape — effects that are expected to affect the geological record for eons to come, as if humanity were a major geological event in of itself. But a group of researchers propose that what will truly stand out in the fossil record as the legacy of humankind will be none other than the bones of the humble chicken.
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Earlier this year, China and Russia conducted a series of experiments that caused a disturbance high in the atmosphere, aimed at testing ionospheric manipulation technologies for military purposes, according to scientists involved in the experiments. Such experiments advance the understanding of how the ionosphere works, and might allow researchers to learn how to manipulate this crucial layer of the atmosphere to both help facilitate — and possibly disrupt — radio communications.
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Although we’re familiar with Earth’s major extinction events being caused by calamities such as large asteroid strikes or severe disruptions to the planet’s climate, researchers have uncovered evidence that the recently-discovered mass extinction of large marine mammals toward the end of the Pliocene 2.6 million years ago may have been caused by one or more nearby supernovae that bathed the Earth in deadly radiation.
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New studies investigating the ice found at the planet’s polar regions are reporting that a precarious situation appears to be unfolding at the ends of the Earth, with the increased melting of both sea and glacial ice in the Arctic Ocean, Greenland, and even the supposedly-stable glaciers of East Antarctica.
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