Targeted mutations to the genome can now be introduced by splitting specific mutator enzymes and then triggering them to reconstitute, according to research from the Perelman School of Medicine at the University of Pennsylvania. ...
Biochemistry
Oct 28, 2021
0
674
A growing body of evidence points to a link between iron-deficiency anemia and severe tooth decay. Whether the connection is correlative or causative is unknown, though both conditions are associated with poor diets and are ...
Bio & Medicine
Oct 26, 2021
0
71
New research conducted by researchers in the lab of Penn's E. James Petersson in collaboration with Oregon State University and the University of Washington describes how proteins in living cells can be engineered to include ...
Molecular & Computational biology
Oct 13, 2021
0
46
Research published in the SIAM Journal on Applied Mathematics describes a new mathematical model for studying influence across social networks. Using tools from the field of topology, Robert Ghrist and Ph.D. graduate Jakob ...
Mathematics
Oct 6, 2021
0
610
While humans rely on gravity for balance and orientation, the mechanisms by which we actually sense this fundamental force are largely unknown. Odder still, the model organism C. elegans, a microscopic worm, can also sense ...
Plants & Animals
Sep 30, 2021
0
236
No language has words for all the blues of a wind-churned sea or the greens and golds of a wildflower meadow in late summer. Globally, different languages have divvied up the world of color using their own set of labels, ...
Social Sciences
Sep 23, 2021
1
240
By the time Hurricane Ida hit Philadelphia in early September, it had already dropped massive rainfall on parts of the Gulf Coast. As the storm continued north, record-breaking downpours in New York City led to extensive ...
Environment
Sep 22, 2021
0
20
The animal kingdom is full of creatures with active camouflage. What looks like a drab pile of sand and rocks might actually be a brightly colored squid, expanding and contracting structures within their skin to reveal shades ...
Polymers
Sep 16, 2021
0
35
Researchers use synthesized small molecule tools, known as chemical probes, with druglike properties to identify specific types of proteins in order to find potential new drug leads. However, currently-available technologies ...
Biochemistry
Sep 9, 2021
0
82
Eggs and sperm are special cells for many reasons, but one of the characteristics that sets them apart is that unlike other human cells, which have two copies of 23 chromosomes, one from the mother and one from the father, ...
Cell & Microbiology
Aug 24, 2021
0
604
