The name "critical zone" may give off 1980s action thriller vibes, but it's the term scientists use to refer to the area of Earth's land surface responsible for sustaining life. A relatively small portion of the planetary ...
Earth Sciences
Feb 2, 2023
3
231
NASA's Perseverance Mars rover has detected its highest concentrations yet of organic molecules, in a potential signal of ancient microbes that scientists are eager to confirm when the rock samples are eventually brought ...
Planetary Sciences
Sep 17, 2022
3
954
A mathematical model that describes how cells change their shape during movement suggests that the movement is mainly driven by the contraction of the skeletal proteins, called "myosin." The new model developed at Penn State ...
Mathematics
May 17, 2022
0
53
Hidden in even the clearest waters of the ocean are clues to what's happening to the seas and the climate on a global scale. Trace amounts of various chemical elements are found throughout the seas and can reveal what's going ...
Earth Sciences
Jan 28, 2019
0
11
A new way to look at cancer—by tracing its deep evolutionary roots to the dawn of multicellularity more than a billion years ago—has been proposed by Paul Davies of Arizona State University's Beyond Center for Fundamental ...
General Physics
Jul 12, 2013
18
0
Imagine using your cellphone to control the activity of your own cells to treat injuries and disease. It sounds like something from the imagination of an overly optimistic science fiction writer. But this may one day be a ...
Quantum Physics
May 16, 2023
0
223
(Phys.org) —The term "survival of the fittest" refers to natural selection in biological systems, but Darwin's theory may apply more broadly than that. New research from the U.S. Department of Energy's Brookhaven National ...
Other
Mar 29, 2013
42
0
(PhysOrg.com) -- Researchers have found a new use for graphene, the single-atom-thick sheet of carbon atoms that resembles chicken wire. Ever since graphene was first observed in 2004, its large surface area, excellent mechanical ...
Carbon dioxide (CO2) is the most abundant greenhouse gas causing climate change but has existed on Earth long before humans started releasing it into the atmosphere at unprecedented levels. As such, some of the planet's earliest ...
Analytical Chemistry
Aug 18, 2023
2
168
Scientists from Regensburg and Zurich have found a fascinating way to push an atom with controlled forces so quickly that they can choreograph the motion of a single molecule within less than a trillionth of a second. The ...
Quantum Physics
Sep 2, 2020
5
1707
