Over the past 25 years, the amount of summer Arctic sea ice has diminished by more than 1 million square kilometers. As a result, vast areas of the Arctic Ocean are now, on average, ice-free in summer. Scientists are closely ...
Ecology
Mar 4, 2024
0
160
In new research published in a special issue of the journal Environmental Research and in "Sources to Seafood: Mercury Pollution in the Marine Environment"— a companion report by the Dartmouth-led Coastal and Marine Mercury ...
Environment
Dec 3, 2012
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0
A little less than 2 billion years ago, metals including copper, molybdenum and zinc became available to primitive cells, at the same time that the cells began to become much more complex. Scientists indicate that they have ...
Earth Sciences
Jun 21, 2012
1
0
The "Great Oxygenation Event" (GOE), the process whereby the Earth's atmosphere was continuously enriched with oxygen, a waste product of photosynthesis, began ~2.43 billion years ago. The source, according to science, was ...
Evolution
Apr 19, 2021
0
1537
Monterey Bay Aquarium provides insights on the best practices for releasing orphaned southern sea otter pups to the wild in a new study. The study affirms the effectiveness of the Aquarium's innovative sea otter surrogate-rearing ...
Plants & Animals
Mar 9, 2023
0
14
As oceans absorb more carbon dioxide, they are becoming increasingly acidic and shifting the delicate balance that supports marine life. How species will cope with ocean acidification and the other consequences of global ...
Ecology
Mar 12, 2020
3
186
(PhysOrg.com) -- It's not every day that an element gets to celebrate a bicentennial, and a University of Delaware professor is pleased to have been invited to the "birthday party" for iodine, which was discovered in 1811.
Materials Science
Dec 6, 2011
0
0
A collection of fossil shells from marine snails and clams is challenging a theory that says the world's deadliest mass extinction was accompanied by severe ocean acidification.
Earth Sciences
Jan 26, 2022
0
102
Vibrant coral reefs teeming with marine life are diminishing throughout the Caribbean as global temperatures rise. Coral reefs are habitats that support the seafood industry, are barriers for coastal communities from storms, ...
Plants & Animals
May 17, 2022
3
200
Blame it on plate tectonics. The deep ocean is never preserved, but instead is lost to time as the seafloor is subducted. Geologists are mostly left with shallower rocks from closer to the shoreline to inform their studies ...
Earth Sciences
Nov 23, 2023
0
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