A couple of times in four billion years, evolution has slowed to a crawl. And an eon or so has passed before more complex life forms, such as simple animals, could arise.
Earth Sciences
Jul 25, 2016
2
703
The core–mantle boundary (CMB) is the interface between the Earth's iron metal core and the thick rocky layer of mantle just above the core. It is a world of extremes—temperatures thousands of degrees Fahrenheit and pressures ...
Earth Sciences
Nov 17, 2023
0
300
Outbreaks of algae have killed up to a million fish in the Murray Darling Basin over the last two weeks. The phenomena of "algae blooms", when the population of algae in a river rapidly grows and dies, can be devastating ...
Environment
Jan 10, 2019
0
9
Falling ocean oxygen levels due to rising temperatures and influence from human activities such as agrochemical use is an increasingly widespread problem. Considering that the sea floors have taken more than 1,000 years to ...
Earth Sciences
Apr 9, 2015
2
76
Since its discovery, graphene has captured the attention of scientists and engineers for its many extraordinary properties. But graphene oxide—an oxidized derivative of graphene—largely has been viewed as graphene's inferior ...
Nanomaterials
Aug 21, 2015
1
2371
Normally a material can be either magnetically or electrically polarized, but not both. Now researchers at the Niels Bohr Institute at the University of Copenhagen have studied a material that is simultaneously magnetically ...
Condensed Matter
Jun 24, 2012
10
0
(Phys.org) —Owlet Baby Monitors, a Salt Lake City business, is self-raising funds for its product, Owlet Vitals Monitor, a "smart" sock on the baby that can monitor vital signs and can send the information direct to a smartphone ...
A team of scientists in the Physical Intelligence Department at the Max Planck Institute for Intelligent Systems have combined robotics with biology by equipping E. coli bacteria with artificial components to construct biohybrid ...
Bio & Medicine
Jul 15, 2022
0
298
Geologists have dubbed Earth's middle age the "boring billion." Occurring some 1,800 to 800 million years ago, it has long been considered a period when little happened on Earth in terms of biological evolution, climate, ...
Earth Sciences
Jul 26, 2019
7
99
Florida State University researchers have new insight into the complicated puzzle of environmental conditions that characterized the Late Ordovician Mass Extinction (LOME), which killed about 85% of the species in the ocean.
Earth Sciences
Jan 10, 2022
1
96
