An estimated 30 percent of the world's population is chronically infected with the parasite Toxoplasma gondii. Most people live with the infection without noticeable effect, but it can be life-threatening for people with ...
Cell & Microbiology
Feb 15, 2016
0
59
In a paper in Science this week, Penn researchers report the first detailed molecular characterization of how every cell changes during animal embryonic development. The work, led by the laboratories of Perelman School of ...
Molecular & Computational biology
Sep 5, 2019
0
331
Autoimmune diseases tend to strike women more than men and having multiple X chromosomes could be the main reason why. While a process called X chromosome inactivation serves to balance out gene dosage between males and females, ...
Biotechnology
Oct 19, 2017
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162
For most Americans, their home is their most valuable asset, so it makes sense to borrow against the equity to obtain cash. In lean times, that money can be spent on consumption, which keeps the economy humming along. But ...
Economics & Business
Dec 24, 2019
1
7
Many complex systems in biology can be conceptualized as networks. This perspective helps researchers understand how biological systems work on a fundamental level, and can be used to answer key questions in biology, medicine, ...
General Physics
Jan 28, 2019
0
85
(Phys.org)—Directed assembly is a growing field of research in nanotechnology in which scientists and engineers aim to manufacture structures on the smallest scales without having to individually manipulate each component. ...
Condensed Matter
Jan 2, 2013
0
0
It's no coincidence that the expression "to leave a bitter taste in one's mouth" has a double meaning; people often have strong negative reactions to bitter substances, which, though found in healthful foods like vegetables, ...
Evolution
Nov 11, 2013
4
0
Africa, where humans first evolved, today remains a place of remarkable diversity. Diving into that variation, a new analysis of 180 Indigenous Africans from a dozen ethnically, culturally, geographically, and linguistically ...
Evolution
Mar 2, 2023
0
176
(Phys.org) —A team of material scientists, chemical engineers and physicists from the University of Pennsylvania has made another advance in their effort to use liquid crystals as a medium for assembling structures.
Condensed Matter
Dec 19, 2013
0
0
Researchers at the University of Pennsylvania have pioneered a process that could enable the efficient recycling of rare-earth metals, which are found in many high-tech devices. Mining and purifying rare-earth metals is not ...
Materials Science
Dec 12, 2016
1
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