How do silt and sand differ when going with the flow?
The river may rage or gently roll, but in the end the sand and silt will have their way.
The river may rage or gently roll, but in the end the sand and silt will have their way.
Earth Sciences
Dec 16, 2019
0
147
The Negev desert, which covers half of Israel's land mass, is so dry that parts of it get less than three inches of water a year. But beneath it is water that sustains the people and agriculture of the region. Understanding ...
Earth Sciences
Jul 30, 2019
3
318
Winters in the northern hemisphere are brutal. The harsh conditions drive some species to hibernate; bears reduce their metabolic state to conserve energy until spring. Forests also endure winter by conserving energy; they ...
Earth Sciences
May 27, 2019
0
355
Chemical signatures imprinted on tiny stones that form inside the ears of fish show that two of Alaska's most productive salmon populations, and the fisheries they support, depend on the entire watershed.
Ecology
May 23, 2019
0
128
A team of researchers at North Carolina State University has found that people living in the United States tend to set their thermostats to temperatures that mimic natural environmental conditions in parts of Africa. In their ...
Our future on Earth may also be our past. In a study published Monday (Dec. 10, 2018) in the Proceedings of the National Academy of Sciences, researchers show that humans are reversing a long-term cooling trend tracing back ...
Earth Sciences
Dec 10, 2018
30
1135
A new study from Stanford University suggests that the kind of hot, dry conditions that can shrink crop yields, destabilize food prices and lay the groundwork for devastating wildfires are increasingly striking multiple regions ...
Environment
Nov 28, 2018
0
163
New research investigating the transition of the Sahara from a lush, green landscape 10,000 years ago to the arid conditions found today, suggests that humans may have played an active role in its desertification.
Environment
Mar 14, 2017
45
3508
(Phys.org) —Cheng Qin of Sichuan Agricultural University in China and his colleagues have sequenced the genomes of wild and domesticated peppers and found that a large percentage of the pepper genome consists of transposons, ...
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