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Tests gauge the freezing point of water in icy moons
Researchers have conducted experiments that measured the physical limits for the existence of liquid water in icy extraterrestrial worlds. They aim to aid the search for extraterrestrial life and the...
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These homebody polar bears don’t need sea ice to survive
Researchers have documented a previously unknown subpopulation of polar bears living in Southeast Greenland. The polar bears survive with limited access to sea ice by hunting from freshwater ice that...
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Beach ‘sticky zones’ act as trash magnets
Certain beaches are “sticky zones” that accumulate litter, a new study shows. Citizen scientists recorded trash on Pacific Northwest beaches, from southern Oregon to Anacortes, Washington, to...
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‘Extremely dangerous’ heat will be much more common by 2100
Even if global warming is limited to 2 degrees Celsius (3.6 degrees Fahrenheit), dangerous heat waves will become much more common by the end of the century, according to a new study. Further, many...
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Climate change seems to be favoring La Niña events
In the short term, climate change is favoring La Niña events, research suggests. Forecasters are predicting a “three-peat La Niña” this year. This will be the third winter in a row that the Pacific...
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Are Europa’s streaks a frozen mix of water and salt?
A new substance created in a lab on Earth could form at the surface and bottom of Europa’s deep oceans, say researchers. The red streaks crossing the surface of Jupiter’s moon are thought to be a...
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Seabird die-offs follow ocean heat waves
Persistent marine heat waves lead to massive seabird die-offs months later, research finds. New study uses data collected by coastal residents along beaches from central California to Alaska to...
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Team links greenhouse gas emissions to polar bear survival
A new study quantifies the relationship between greenhouse gas emissions and the survival of polar bear populations. The paper, published in the journal Science, combines past research and new analysis...
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Shallow soda lakes may be where life started on Earth
New research provides support for the idea that life could have emerged from lakes on the early Earth, roughly 4 billion years ago. Charles Darwin proposed that life could have emerged in a “warm...
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1 ice grain from Jupiter’s moon may be enough to find signs of life
Individual ice grains ejected from some of the moons orbiting Saturn and Jupiter may contain enough material for instruments headed there in the fall to detect signs of life, if such life exists. The...
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