(PhysOrg.com) -- The scientific integrity of one 19th century Philadelphia scientist has been reaffirmed—but at the decided expense of a prominent late 20th century scientist who had discredited him.
Archaeology
Jun 16, 2011
1
1
(Phys.org)—Wear is a fact of life. As surfaces rub against one another, they break down and lose their original shape. With less material to start with and functionality that often depends critically on shape and surface ...
Nanophysics
Jan 30, 2013
4
0
In the United States and Europe Muslims are often collectively blamed for extremist violence by individual Muslims, like Rizwan Farook and Tashfeen Malik in San Bernardino, or the three coordinated attacks from members of ...
Social Sciences
Oct 8, 2019
65
1014
(PhysOrg.com) -- Pompeii-like, a 300-million-year-old tropical forest was preserved in ash when a volcano erupted in what is today northern China. A new study by University of Pennsylvania paleobotanist Hermann Pfefferkorn ...
Earth Sciences
Feb 20, 2012
1
0
Infections caused by fungi, such as Candida albicans, pose a significant global health risk due to their resistance to existing treatments, so much so that the World Health Organization has highlighted this as a priority ...
Bio & Medicine
May 26, 2023
0
110
(Phys.org) —Centuries of economic theory have been based on one simple premise: when given a choice between two items, people make the rational decision and select the one they value more. But as with many simple premises, ...
Social Sciences
Oct 22, 2013
2
0
A new study published in Science Advances found that certain types of materials have a "memory" of how they were processed, stored, and manipulated. Researchers were then able to use this memory to control how a material ...
Materials Science
Dec 20, 2019
0
204
In today's climate change narrative, animal-based agriculture often endures criticism for its alleged contributions to the global problem. With some naysayers ranking the industry second only to the population explosion as ...
Environment
Jan 3, 2020
3
145
An interdisciplinary team of University of Pennsylvania researchers has now applied a cutting-edge technique for rapid gene sequencing toward measuring other nanoscopic structures. By passing nanoscale spheres and rods through ...
Bio & Medicine
Sep 26, 2014
0
0
A new model, developed by University of Pennsylvania chemists, could be the first step towards better harnessing heat energy to power nanoscale devices.
Nanophysics
Nov 18, 2016
1
68
