Like a microscopic bucket brigade, an artificial microtubule can rapidly transport tiny particles along magnetic stepping stones, delivering them to a precise location even when operating against a strong current.
Bio & Medicine
Jul 22, 2022
0
59
The latest research from the labs of Penn scientists Paulo Arratia and Douglas Jerolmack was an answer to "a call for help," says Arratia.
General Physics
Jul 14, 2022
0
138
Thomas Edison and Nikola Tesla, famous inventors both, were also, famously, rivals. Their heated relationship came to a head in what became known as the "war of the currents." Tesla favored alternating currents (AC) for the ...
Other
Jul 8, 2022
1
284
A shapeshifting robotic microswarm may one day act as a toothbrush, rinse, and dental floss in one. The technology, developed by a multidisciplinary team at the University of Pennsylvania, is poised to offer a new and automated ...
Bio & Medicine
Jul 5, 2022
1
120
Cells in complex organisms undergo frequent changes, and researchers have struggled to monitor these changes and create a comprehensive profile for living cells and tissues. Historically researchers have been limited to only ...
Biotechnology
Jun 28, 2022
0
40
Unlike women, who are born with all the eggs they'll ever have, men can continue to produce sperm throughout their adult lives. To do so, they require a constant renewal of spermatogonial stem cells, which give rise to sperm.
Cell & Microbiology
Jun 23, 2022
0
14
During the last few years, CRISPR has grabbed headlines for helping treat patients with conditions as varied as blindness and sickle cell disease. However, long before humans co-opted CRISPR to fight genetic disorders, bacteria ...
Cell & Microbiology
Jun 2, 2022
0
52
When it comes to attitudes and behaviors among members of American political parties, the conventional wisdom is that hate is stronger than love.
Political science
May 20, 2022
4
100
Chemical separation processes are essential in the manufacturing of many products from gasoline to whiskey. Such processes are energetically costly, accounting for approximately 10–15 percent of global energy consumption. ...
Nanomaterials
May 9, 2022
0
33
Since graphene was first isolated and characterized in the early 2000s, researchers have been exploring ways to use this atomically thin nanomaterial because of its unique properties such as high tensile strength and conductivity.
Nanophysics
May 4, 2022
0
258
