Earth
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Paleontology
The first frog fossil from Antarctica has been found
An ancient amphibian from Antarctica gives new insight into when the continent got so cold.
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Animals
Insects’ extreme farming methods offer us lessons to learn and oddities to avoid
Insects invented agriculture long before humans did. Can we learn anything from them?
By Susan Milius -
Climate
A U.S. oil-producing region is leaking twice as much methane as once thought
Satellite measurements identify the Permian Basin, a massive U.S. oil- and gas-producing area, as a large source of leaked methane to the atmosphere.
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Earth
Plate tectonics may have started 400 million years earlier than we thought
Magnetic minerals in ancient rocks suggest that plate tectonics may have been under way as early as 3.2 billion years ago.
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Climate
Climate change made a southwestern U.S. drought one of the worst in 1,200 years
Tree ring records show that the 2000–2018 drought in southwestern North America is among the most severe to strike the region in over a millennium.
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Earth
Forecasters predict a very active 2020 Atlantic hurricane season
Warmer ocean temperatures could fuel a very active Atlantic hurricane season, with one forecast predicting 18 named storms, including nine hurricanes.
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Environment
50 years ago, American waterways were getting more protections
A 1970 bill that became the Clean Water Act helped to double the number of U.S. waterbodies clean enough for swimming and fishing. In January, the U.S. administration changed how waters were defined, effectively removing those protections for half the country’s wetlands.
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Environment
A year long expedition spotlights night life in the Arctic winter
Scientists anchored to an ice floe near the North Pole are investigating how life survives polar night and what changes will occur as the Arctic continues to warm.
By Shannon Hall -
Climate
The largest Arctic ozone hole ever measured is hovering over the North Pole
A strong polar vortex in early 2020 led to what may be a record-breaking hole in the ozone layer over the Arctic.
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Life
The Great Barrier Reef is suffering its most widespread bleaching ever recorded
Major bleaching events are recurring with increasing frequency on the Great Barrier Reef, hindering its recovery.
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Earth
Roughly 90 million years ago, a rainforest grew near the South Pole
A forest flourished within 1,000 kilometers of the South Pole, probably because of high atmospheric carbon dioxide levels and an ice-free Antarctica.
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Animals
Parasitic worm populations are skyrocketing in some fish species used in sushi
Fishes worldwide harbor 283 times the number of Anisakis worms as fishes in the 1970s. Whether that’s a sign of environmental decline or recovery is unclear.
By Amber Dance