Studying fruit flies, whose sleep is remarkably similar to that in people, Johns Hopkins researchers say they've identified brain cells that are responsible for why delaying bedtime creates chronic sleepiness.
Cell & Microbiology
May 19, 2016
0
213
Modern lifestyles have famously made humans heavier, but, in one particular way, noticeably lighter weight than our hunter-gatherer ancestors: in the bones. Now a new study of the bones of hundreds of humans who lived during ...
Evolution
May 18, 2015
0
65
Biophysicists have discovered why the bacteria that cause tuberculosis (TB) are naturally somewhat resistant to antibiotics known as fluoroquinolones. Their findings, based on mapping the detailed three-dimensional structure ...
Biochemistry
Jan 18, 2016
3
769
Despite improvements in the past few decades with surgery, chemotherapy and radiation therapy, a predictably curative treatment for glioma does not yet exist. New insights into specific gene mutations that arise in this often ...
Bio & Medicine
Feb 4, 2015
0
82
Johns Hopkins Medicine scientists report they have probed the atomic structure of proteins to add to evidence that the wobbles, shakes and quivers of proteins play a critical role in their ability to function. The findings ...
Molecular & Computational biology
Jul 15, 2022
0
1201
In a laboratory study pairing food chemistry and cancer biology, scientists at the Johns Hopkins Kimmel Cancer Center tested the potentially harmful effect of foods and flavorings on the DNA of cells. They found that liquid ...
Biochemistry
Mar 27, 2013
11
0
Scientists at Johns Hopkins Medicine report they have created a tiny, nanosize container that can slip inside cells and deliver protein-based medicines and gene therapies of any size—even hefty ones attached to the gene-editing ...
Bio & Medicine
Dec 6, 2019
0
234
The human genome, from end to end, has been sequenced, meaning scientists worldwide have identified most of the nearly 20,000 protein-coding genes. However, an international group of scientists notes there's more work to ...
Molecular & Computational biology
Oct 13, 2023
0
103
Since the discovery of the fossil dubbed Lucy 42 years ago this month, paleontologists have debated whether the 3 million-year-old human ancestor spent all of her time walking on the ground or instead combined walking with ...
Archaeology
Nov 30, 2016
0
341
Working at the edge of a coal mine in India, a team of Johns Hopkins researchers and colleagues have filled in a major gap in science's understanding of the evolution of a group of animals that includes horses and rhinos. ...
Paleontology & Fossils
Nov 20, 2014
0
0
