One double-helix strand of DNA could extend six feet, but it is so tightly coiled that it packs an entire sequence of nucleotides into the tiny nucleus of a cell. If that same DNA was instead split into two strands and divided ...
Biotechnology
Oct 17, 2023
0
85
Surface ice in Greenland has been melting at an increasing rate in recent decades, while the trend in Antarctica has moved in the opposite direction, according to researchers at the University of California, Irvine and Utrecht ...
Earth Sciences
Oct 16, 2023
15
178
Four dozen Antarctic ice shelves have shrunk by at least 30% since 1997 and 28 of those have lost more than half of their ice in that time, reports a new study that surveyed these crucial "gatekeepers'' between the frozen ...
Environment
Oct 15, 2023
12
208
According to scientists, 71 of the 162 ice shelves that surround Antarctica have reduced in volume over 25 years from 1997 to 2021, with a net release of 7.5 trillion metric tons of meltwater into the oceans. The work is ...
Earth Sciences
Oct 12, 2023
3
234
Dynamic and changing Arctic Ocean conditions likely caused three major mortality events in the eastern North Pacific gray whale population since the 1980s, a new study has found.
Plants & Animals
Oct 12, 2023
0
135
Scientists have proposed a new ocean–sea ice–atmosphere observing system between the Ross Sea and Casey station, to monitor changes in this understudied part of Antarctica's ice-covered marine environment.
Earth Sciences
Oct 12, 2023
0
7
The massive 2015 flooding of the Sagavanirktok River in northern Alaska had immediate impacts, including closure of the Dalton Highway for several days, but it also contributed to longer-term ground subsidence in the permafrost-rich ...
Earth Sciences
Oct 12, 2023
0
44
Members of a multinational group on Antarctic conservation must end a years-long deadlock and agree on new marine reserves in the region as sea-ice shrinks to record lows, the WWF urged Wednesday.
Environment
Oct 12, 2023
0
7
Volcanic debris from the massive Taupō eruption about 1,800 years ago has been found buried deep in Antarctic ice, according to a new study published in Scientific Reports.
Earth Sciences
Oct 10, 2023
0
64
An international team led by Dr. Florian Peißker at the University of Cologne's Institute of Astrophysics has analyzed in detail a young star cluster in the immediate vicinity of the super massive black hole Sagittarius ...
Astronomy
Oct 10, 2023
0
39
