Although the Soufriere Hills volcano on Montserrat exhibits cycles of eruption and quiet, an international team of researchers found that magma is continuously supplied from deep in the crust but that a valve acts below a ...
Earth Sciences
Oct 9, 2008
0
0
At the edge of Behrend Fields, where a footpath leads back to a one-acre parking lot, Pam Silver bends down and scoops a handful of snow into a small plastic cup.
Environment
Jan 12, 2017
1
18
(Phys.org) —Like our Milky Way, every known large galaxy has at its center a supermassive black hole, some of which are surrounded by a super-bright disk of hot gas called a quasar—but now a research team that includes ...
Astronomy
Nov 8, 2013
5
0
New model connects the origins of very high-energy neutrinos, ultrahigh-energy cosmic rays, and high-energy gamma rays with black-hole jets embedded in their environments.
General Physics
Jan 22, 2018
7
763
Imagine you are asked to rank the counties in Pennsylvania in terms of number of COVID-19 infections. Or you may be asked to rank the following cities in Pennsylvania based on their populations: Harrisburg, Allentown, Erie ...
Mathematics
Aug 26, 2021
0
4
Solar cells have come a long way, but inexpensive, thin film solar cells are still far behind more expensive, crystalline solar cells in efficiency. Now, a team of researchers suggests that using two thin films of different ...
General Physics
Sep 15, 2020
2
220
For the first time, a team of chemists and engineers at Penn State University have placed tiny synthetic motors inside live human cells, propelled them with ultrasonic waves and steered them magnetically. It's not exactly ...
Bio & Medicine
Feb 10, 2014
2
1
A new method improves the extraction and separation of rare earth elements—a group of 17 elements critical for technologies such as smart phones and electric car batteries—from unconventional sources. New research led ...
Materials Science
Oct 8, 2021
5
2179
A combined study of genetics and skeletal remains show that the switch from primarily hunting, gathering and foraging to farming about 12,000 years ago in Europe may have had negative health effects as indicated by shorter ...
Archaeology
Apr 7, 2022
0
791
If global temperatures increase by 1° Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary ...
Earth Sciences
Oct 9, 2023
0
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