The Tibetan Empire was the world's highest elevation empire, sitting over 4,000m above sea level, and thrived during 618 to 877 CE. Home to an estimated 10 million people, it spanned approximately 4.6 million km2 across East ...
When it comes to the world's climate, in the past decade, Earth keeps sending us its summer siren's call.
Earth Sciences
Jul 25, 2022
0
120
Recent summer droughts in Europe are far more severe than anything in the past 2,100 years, according to a new study.
Earth Sciences
Mar 15, 2021
23
1466
Nature, said Ralph Waldo Emerson, is no spendthrift. Unfortunately, he was wrong.
Environment
Jun 24, 2019
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1
Plants' water-to-land leap marks one of the most important milestones in the evolution of life on Earth. But how plants managed this transition when faced with unfamiliar challenges such as drought and bright light has been ...
Evolution
Feb 25, 2019
2
84
The severity of drought conditions during the demise of the Maya civilisation about one thousand years ago has been quantified, representing another piece of evidence that could be used to solve the longstanding mystery of ...
Archaeology
Aug 2, 2018
4
682
(Phys.org)—A team of researchers with members from Mexico, the U.S. and Germany has found that the demise of the pre-Columbian Mesoamerican society centered around a city known as Cantona, was likely due to a combination ...
Farmers in the United States witnessed record-breaking extremes in temperature and drought during the last two summers, causing worldwide increases in the costs of food, feed and fiber. Indeed, many climate scientists caution ...
Biotechnology
Jul 1, 2013
2
0
(PhysOrg.com) -- El Niño, the periodic eastern Pacific phenomenon credited with shielding the United States and Caribbean from severe hurricane seasons, may be overshadowed by its brother in the central Pacific due to global ...
Earth Sciences
Sep 23, 2009
4
0
Crops and other plants are constantly confronted with adverse environmental conditions, lowering yield and costing farmers billions of dollars annually. Plants use specialized signals, called stress hormones, to sense difficult ...
Plants & Animals
Apr 30, 2009
1
0
