The north of Western Siberia is recording the warmest summers of the last 7,000 years. While for several millennia the temperature of the region was following a general cooling, in the 19th century there has been an abrupt ...
Earth Sciences
Aug 25, 2022
0
213
Chirality describes a molecule that can't be superimposed on its own mirror image. Two geometrically different chiral molecules of the same formula, distinguished by the R- and S- configuration, exhibit different optical ...
Nanophysics
Aug 22, 2022
0
42
A professor emeritus at Tohoku University has unearthed evidence pointing to a strong relationship between the magnitude of mass extinctions and global temperature changes in geologic times.
Earth Sciences
Jul 22, 2022
5
408
Research led by the University of Southampton has revealed that an abrupt change in climate conditions in the North Atlantic around 800 years ago played a role in a decline in Atlantic salmon populations returning to rivers. ...
Plants & Animals
Jun 8, 2022
0
39
Darwin's theory of evolution probably isn't the full explanation for the emergence of life. Even in a barren environment conducive to fierce competition, cooperation between molecular networks may have spawned life on Earth ...
Evolution
May 30, 2022
0
886
In typical breads, yeast produces bubbles via a biochemical process, causing dough to rise and develop into light, airy, and tasty treats. Without that yeast, it is difficult to make morsels with the same characteristic taste ...
General Physics
Mar 22, 2022
0
80
Abrupt shifts in the evolution of animals—short periods of time when an organism rapidly changes size or form—have long been a challenge for theorists including Darwin. Now a newly published research paper supports the ...
Evolution
Mar 2, 2022
0
1192
Sounds from a Ganymede flyby, magnetic fields, and remarkable comparisons between Jupiter and Earth's oceans and atmospheres were discussed during a briefing today on NASA's Juno mission to Jupiter at the American Geophysical ...
Planetary Sciences
Dec 17, 2021
2
279
Abrupt changes in ice core samples and other records indicate dramatic changes in climate occurred at certain points in the past.
Earth Sciences
Nov 16, 2021
0
144
As world leaders gather at the United Nations Climate Change Conference (COP26) in Glasgow, Scotland, to take bolder action against climate change, human activity has already warmed the planet 1.1°C above pre-industrial ...
Environment
Nov 12, 2021
0
160
