Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows.
Earth Sciences
Jul 9, 2018
1
169
Through X-ray crystallography and kinase-inhibitor specificity profiling, University of California San Diego School of Medicine researchers, in collaboration with researchers at Peking University and Zhejiang University, ...
Biochemistry
Jul 9, 2018
2
891
Maria appeared as a well-organized storm on infrared NASA satellite imagery on July 9. Maria has fluctuated between typhoon and super typhoon strength and was a typhoon when NASA's Aqua satellite passed overhead.
Earth Sciences
Jul 9, 2018
0
16
The number of people seeking asylum in the United States is drastically lower this year than last. With a growing national debate over policies and limited understanding of the resettlement process, the United States is on ...
Social Sciences
Jul 9, 2018
0
11
They exist all over the world, are among the most productive ecosystems on Earth and are home to a diverse array of wildlife. They also are essential to the global economy. They are estuaries—coastal embayments where fresh ...
Environment
Jul 9, 2018
0
99
Throughout the living world, parents have many ways of gifting their offspring with information they will need to help them survive. A new study in Nature Ecology and Evolution examining the effects of exposure to predators ...
Ecology
Jul 9, 2018
0
16
Stormwater retention ponds, a ubiquitous feature in developed landscapes worldwide, are not a significant source of climate-warming nitrous oxide (N2O) emissions, a new Duke University-led study finds.
Environment
Jul 9, 2018
3
56
Fluorescence-based biosensing and bioimaging technologies are widely used in research and clinical settings to detect and image various biological species of interest. While fluorescence-based detection and imaging techniques ...
Optics & Photonics
Jul 9, 2018
0
40
A team led by the University of California San Diego has developed a chip that can detect a type of genetic mutation known as a single nucleotide polymorphism (SNP) and send the results in real time to a smartphone, computer, ...
Analytical Chemistry
Jul 9, 2018
0
106
Steven McIntosh wants to transform the way ammonia is produced. He hopes to create a viable alternative to the conventional method, which uses massive amounts of energy and emits harmful carbon dioxide. He's exploring a sustainable ...
Materials Science
Jul 9, 2018
4
4
