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World's oldest DNA reveals how ice age mammoths evolved（图）
World oldest DNA ice age mammoths evolved
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2021/3/5
An international research team has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The results are published in the journal Nature.The analyses,...
Sea ice kept oxygen from reaching deep ocean during last ice age, study finds（图）
Sea ice oxygen reaching deep ocean during ice age
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2021/3/5
Extensive sea ice covered the world's oceans during the last ice age, preventing oxygen from penetrating into deep ocean waters and complicating the relationship between oxygen and carbon, a new study...
New view of nature's oldest light adds fresh twist to debate over universe's age（图）
New view nature oldest light adds fresh twist debate over universe's age
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2020/7/31
From a mountain high in Chile's Atacama Desert, astronomers at the U.S. National Science Foundation's Atacama Cosmology Telescope (ACT) have taken a fresh look at the oldest light in th...
Massive Antarctic Volcanic Eruptions Linked to Abrupt Southern Hemisphere Climate Changes Near the End of the Last Ice Age（图）
Massive Antarctic Volcanic Eruptions Southern Hemisphere Climate Changes Last Ice Age
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2017/9/20
New findings published today in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) by Desert Research Institute (DRI) Professor Joseph R. McConnell, Ph.D., and ...
Uncovering the answer to an age-old question:how do snowflakes form?
Uncovering the answer age-old question snowflakes form
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2017/7/20
More than 400 years ago, renowned mathematician and scientist Johannes Kepler speculated about the creation of one of nature’s most angelic and unique shapes: the six-sided snowflake. Although atoms w...
How an Ice Age paradox could inform sea level rise predictions
Ice Age sea level rise
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2017/3/13
New findings from the University of Michigan explain an Ice Age paradox and add to the mounting evidence that climate change could bring higher seas than most models predict.The study, published in Na...
Prized fossil find illuminates the lives of lizards in the Age of Dinosaurs
illuminates the lives lizards Age of Dinosaurs
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2017/2/16
Paleontologists picking through a bounty of fossils from Montana have discovered something unexpected — a new species of lizard from the late dinosaur era, whose closest relatives roamed in faraw...
Genes for age-related cognitive decline found in adult worm neurons (Nature)
Genes age cognitive decline adult worm neurons
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2015/12/22
Researchers from Princeton University have identified genes important for age-related cognitive declines in memory in adult worm neurons, which had not been studied previously. The research, published...
Astrophysicists produce the first age map of the halo of the Milky Way
Astrophysicists first age map Milky Way
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2015/11/12
University of Notre Dame astronomer Timothy Beers and his Galactic Archaeology group, which includes Notre Dame astronomers Daniela Carollo and Vinicius Placco, have led an international team of resea...
Shift in weaning age supports hunting-induced extinction of Siberian woolly mammoths（图）
weaning age hunting-induced extinction Siberian woolly mammoths
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2015/11/12
Chemical clues about weaning age embedded in the tusks of juvenile Siberian woolly mammoths suggest that hunting, rather than climate change, was the primary cause of the elephant-like animal's extinc...
We Are Entering a “Golden Age” of Animal Tracking
Golden Age Animal Tracking
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2015/6/18
Animals wearing new tagging and tracking devices give a real-time look at their behavior and at the environmental health of the planet, say research associates at the Smithsonian Tropical Research Ins...
New study: Iceberg influx into Atlantic during ice age raised tropical methane emissions
Iceberg influx into Atlantic ice age tropical methane emissions
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2015/6/18
A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect – they increased the productio...
No laughing matter: Nitrous oxide rose at end of last ice age
No laughing matter Nitrous oxide end of last ice age
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2014/12/30
CORVALLIS, Ore. – Nitrous oxide (N2O) is an important greenhouse gas that doesn’t receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose s...
Highest altitude ice age human occupation documented in Peruvian Andes（图）
human occupation Peruvian Andes
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2014/12/1
the southern Peruvian Andes, an archaeological team led by researchers at the University of Maine has documented the highest altitude ice age human occupation anywhere in the world — nearly 4,500 mete...
Banked blood grows stiffer with age, study finds（图）
study finds blood grows stiffer
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2014/9/12
CHAMPAIGN, Ill. — It may look like fresh blood and flow like fresh blood, but the longer blood is stored, the less it can carry oxygen into the tiny microcapillaries of the body, says a new study from...