Could we run out of sand? Scientists adjust how grains are measured
Humans see sand as an infinite resource. We are astounded to discover there are more stars in the universe than grains of sand on our beaches.
Humans see sand as an infinite resource. We are astounded to discover there are more stars in the universe than grains of sand on our beaches.
Earth Sciences
Jun 11, 2020
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280
Since scientists first determined that atmospheric carbon dioxide (CO2) was significantly lower during ice age periods than warm phases, they have sought to discover why, theorizing that it may be a function of ocean circulation, ...
Earth Sciences
Jun 13, 2019
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An international team of researchers has found that the Antarctic Ice Sheet plays a major role in regional and global climate variability - a discovery that may also help explain why sea ice in the Southern Hemisphere has ...
Earth Sciences
Dec 12, 2016
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As nations across the globe negotiate how to reduce their contributions to climate change, researchers at Penn are investigating just how the coming changes will impact the planet. What's clear is that the effect extends ...
Earth Sciences
Dec 16, 2015
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(Phys.org) -- The oceans have warmed in the past 50 years, but not by natural events alone.
Earth Sciences
Jun 11, 2012
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Recently a pair of researchers with the University of Copenhagen published a paper in the Proceedings of the National Academy of Sciences describing their work looking into the possibility of changes to the Atlantic Meridional ...
Antarctic sea-ice has expanded over the period of continuous satellite monitoring, which seemingly contradicts ongoing global warming resulting from increasing concentrations of greenhouse gasses. In a study, published in ...
Environment
Apr 22, 2022
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Record-high ocean temperatures observed in 2023 could become the norm if the world moved into a climate that is 3°C warmer than pre-industrial levels, according to a new study.
Earth Sciences
Jan 31, 2024
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Eddies are often seen as the weather of the ocean. Like large-scale circulations in the atmosphere, eddies swirl through the ocean as slow-moving sea cyclones, sweeping up nutrients and heat, and transporting them around ...
Earth Sciences
Dec 15, 2020
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Like the leaves of New England maples, phytoplankton, the microalgae at the base of most oceanic food webs, photosynthesize when exposed to sunlight. In the process, they absorb carbon dioxide from the atmosphere, converting ...
Earth Sciences
Sep 9, 2015
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