Toxins released by a type of bacteria that cause diarrheal disease hijack cell processes and force important proteins to assemble into "roads to nowhere," redirecting the proteins away from other jobs that are key to proper ...
Molecular & Computational biology
Nov 18, 2022
0
139
Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers.
Earth Sciences
Nov 18, 2022
2
181
Depending on age, humans need 7 to 13 hours of sleep per 24 hours. During this time, a lot happens: Heart rate, breathing and metabolism ebb and flow; hormone levels adjust; the body relaxes. Not so much in the brain.
Molecular & Computational biology
Nov 18, 2022
0
55
A new study has revealed the true shape of the diffuse cloud of stars surrounding the disk of our galaxy. For decades, astronomers have thought that this cloud of stars—called the stellar halo—was largely spherical, like ...
Astronomy
Nov 18, 2022
1
817
Astronomy is driven by big questions, and they don't come much bigger than wondering how the first stars and galaxies began to form—eventually giving rise to our own existence.
Astronomy
Nov 18, 2022
0
104
Researchers of the University of Malaga (UMA) and the University of Jaen (UJA) have discovered Egypt's oldest tomb oriented to the winter solstice. Located in the necropolis of Qubbet el-Hawa (Aswan), it is precisely oriented ...
Archaeology
Nov 18, 2022
0
280
Asphaltenes, a byproduct of crude oil production, are a waste material with potential. Rice University scientists are determined to find it by converting the carbon-rich resource into useful graphene.
Nanomaterials
Nov 18, 2022
2
103
In light of vehicular pollutants contributing to decreasing air quality, governments across the globe are posing stricter emission regulations for automobiles. This calls for the development of more efficient exhaust gas ...
Analytical Chemistry
Nov 18, 2022
0
46
Two-dimensional materials, which consist of just a single layer of atoms, can be packed together more densely than conventional materials, so they could be used to make transistors, solar cells, LEDs, and other devices that ...
Nanophysics
Nov 18, 2022
0
380
Fruit flies can quickly compensate for catastrophic wing injuries, researchers found, maintaining the same stability after losing up to 40% of a wing. This finding could inform the design of versatile robots, which face the ...
Plants & Animals
Nov 18, 2022
0
119
