(Phys.org)—Complexity – defined as having emergent properties or traits that are not a function of, and are therefore difficult or inherently impossible to predict from, the discrete components comprising the system – ...
(PhysOrg.com) -- Terms such as the "invisible hand," laissez-faire policy, and free-market principles suggest that economic growth and decline in capitalist societies seem to be somehow self-regulated. Now, scientists Arto ...
In the ocean, both natural and human-driven factors may cause ecosystems to undergo transformations. Such changes, whether sudden or gradual, can affect the food web by causing redistribution of prey upon which seasonal predators, ...
Research published this week in Science offers the clearest picture yet of the reverberating consequences of land mammal declines on food webs over the past 130,000 years.
Evolution
Aug 25, 2022
1
743
Virtually all marine life—fish, turtles, sharks, whales and more—depend on the marine food web for survival. The foundation of this immense flow of energy, however, rests on the shoulders of the microscopic but mighty ...
Earth Sciences
Jul 21, 2022
0
533
According to a new study published today in the Proceedings of the National Academy of Sciences, 40 years of reduced mercury use, emissions, and loading in the Great Lakes region have largely not produced equivalent declines ...
Environment
Nov 4, 2019
0
281
Add another item to the ever-growing list of the dangerous impacts of global climate change: Warming oceans are leading to an increase in the harmful neurotoxicant methylmercury in popular seafood, including cod, Atlantic ...
Environment
Aug 7, 2019
6
365
A team led by scientists from Scripps Institution of Oceanography at the University of California San Diego and the J. Craig Venter Institute (JCVI) has demonstrated that the excess carbon dioxide added to the atmosphere ...
Environment
Mar 14, 2018
26
791
Over the last decade, scientists have discovered tiny pieces of plastic in many ocean waters, and even in deep-sea mud. However, they know very little about how microplastics are transported within the ocean. A new paper ...
Environment
Aug 17, 2017
0
138
As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how ancient ecosystems collapsed and bounced back from traumatic upheavals. A new study ...
Archaeology
Oct 1, 2015
1
752
