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
It is still a glimpse into the future: Astronauts could be put into artificial hibernation and in this state be better protected from cosmic radiation. At present, there are already promising approaches to follow up such ...
Space Exploration
Nov 14, 2022
1
115
Many medical devices for treating heart failure generate nonphysiological shear flow. This can trigger the destruction of red blood cells after implantation of ventricular assist devices (VADs), artificial heart valves, vascular ...
General Physics
Nov 1, 2022
0
59
Potassium (K+) channels are small, highly specialized conduits within every living cell that are responsible for the extremely selective and rapid transport of K+ ions across cell membranes. Voltage-gated potassium (Kv) channels ...
Molecular & Computational biology
Oct 12, 2022
0
63
Scientists have transplanted human brain cells into the brains of baby rats, where the cells grew and formed connections.
Biotechnology
Oct 12, 2022
0
20
A team of researchers at the California Institute of Technology, working with one colleague from The Francis Crick Institute and another from the University of Cambridge, both in the U.K., has developed a way to grow mouse ...
The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in ...
Plants & Animals
Sep 28, 2022
0
1256
Researchers at UCLA and Stanford University have developed a secure, noninvasive, one-touch technology using hydrogel-coated chemical sensors and a signal-interpretation framework. It can present detailed information about ...
Analytical Chemistry
Sep 8, 2022
0
148
Nearly all vital functions in the human body are regulated by so-called G protein-coupled receptors on the cell surface. These receptors thus serve as attractive drug targets to treat various diseases. Researchers have now ...
Biochemistry
Aug 24, 2022
0
32
From construction projects to busy roads, airplanes and railways, human noise is everywhere. It is an invisible cause of stress, posing serious risks to human health and well-being. However, noise also harms animals living ...
Plants & Animals
Aug 23, 2022
0
10
