Deadliest period in Earth's history was also the stinkiest
Tiny microbes belching toxic gas helped cause—and prolong—the biggest mass extinction in Earth's history, a new study suggests.
Tiny microbes belching toxic gas helped cause—and prolong—the biggest mass extinction in Earth's history, a new study suggests.
Earth Sciences
Dec 20, 2021
3
763
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
The Great Lakes cover nearly 95,000 square miles (250,000 square kilometers) and hold over 20% of Earth's surface fresh water. More than 30 million people in the U.S. and Canada rely on them for drinking water. The lakes ...
Environment
May 19, 2022
0
22
While previous studies have found that electronic cigarettes emit toxic compounds, a new study from Lawrence Berkeley National Laboratory (Berkeley Lab) has pinpointed the source of these emissions and shown how factors such ...
Analytical Chemistry
Jul 27, 2016
3
66
Cells in the human body must adapt their protein balance to certain situations, such as the availability of iron or an infection. These adaptations occur through a complex process in which proteins that are no longer needed ...
Biochemistry
Sep 1, 2023
1
85
N-Aryl-C-nitroazoles are an important class of heterocyclic compounds. They are used as pesticides and fungicides. However, these substances could be toxic to humans and cause mutations. As they are not frequently used, there ...
Biochemistry
Dec 29, 2020
0
126
By binding multiple molecules of a common leukemia drug with nanodiamonds, scientists from the National University of Singapore (NUS) and University of California, Los Angeles (UCLA) managed to boost the delivery of the drug ...
Bio & Medicine
Sep 11, 2013
0
1
A team of researchers and engineers from Particle Technology Laboratory, ETH Zurich and University Hospital Zurich has designed and built a palm-sized device that can measure the amount of methanol in an alcoholic beverage. ...
(Phys.org)—A team of Israeli, French and Swiss biologists have discovered how a strain of the bacterium Halomonas known as GFAJ-1, manages to survive in California's Mono Lake despite arsenic levels that would kill most ...
The presence of insecticides in streams is increasingly a global concern, yet information on safe concentrations for aquatic ecosystems is sometimes sparse. In a new study led by Colorado State University's Janet Miller and ...
Ecology
Oct 23, 2020
1
284