(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves as if time runs ...
(PhysOrg.com) -- In an ironic twist to our understanding of life, robots may offer a greater degree of realism for studying some of the intricacies of natural selection and evolution than real organisms offer. In a recent ...
Methane is a strong greenhouse gas that plays a key role in Earth's climate. Anytime we use natural gas, whether we light up our kitchen stove or barbeque, we are using methane.
Earth Sciences
Jun 14, 2021
3
318
Investigators in China and the United States have injected human stem cells into primate embryos and were able to grow chimeric embryos for a significant period of time—up to 20 days. The research, despite its ethical concerns, ...
Biotechnology
Apr 15, 2021
6
612
Being able to measure, and monitor, temperatures and temperature changes at miniscule scales—inside a cell or in micro and nano-electronic components—has the potential to impact many areas of research from disease detection ...
Quantum Physics
May 3, 2019
7
1025
(Phys.org) —Fluorescence imaging is the most widely used method for analyzing the molecular composition of biological specimens. Target molecules, when they are present, can be "tagged" with a fluorescent label and made ...
Optics & Photonics
Sep 27, 2013
0
0
(Phys.org) —In a finding likely to fundamentally reshape biologists' understanding of how vertebrate cells communicate, researchers at the Stanford University School of Medicine and the UC-San Francisco have discovered ...
Cell & Microbiology
Apr 29, 2013
1
0
(Phys.org)—An international team of scientists, including a University of Michigan graduate student, has demonstrated that a clear difference exists between the marine microbial communities in the Southern and Arctic oceans, ...
Earth Sciences
Oct 8, 2012
0
0
Researchers have found compelling evidence for an extensive biological community living in porous rock deep beneath the seafloor. The microbes in this hidden world appear to be an important source of dissolved organic matter ...
Earth Sciences
Dec 7, 2010
2
0
(PhysOrg.com) -- Many people associate viruses with disease. But a largely unexplored world of viruses make their home in the lower intestine, and new research at Washington University School of Medicine in St. Louis suggests ...
Cell & Microbiology
Jul 14, 2010
4
0
