The cell membrane has numerous channels for the transport of various substances, including ions, between the cell and its environment. Ion transport determines the ion exchange rate (or the transmembrane transport coefficient), ...
Cell & Microbiology
Feb 21, 2023
0
23
Current state-of-the-art instrumentation being sent to Mars to collect and analyze evidence of ancient life on the Red Planet may not be sensitive enough to make accurate assessments, according to an international research ...
Astrobiology
Feb 21, 2023
2
436
Engineering researchers at the University of Waterloo are successfully using a robot to help keep children with learning disabilities focused on their work.
Education
Feb 21, 2023
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17
Traditional viscometers rely on capillary flow, and falling balls are simple and effective means for measuring fluid viscosity over a large range. However, their low measurement throughput and lack of real-time monitoring ...
Optics & Photonics
Feb 21, 2023
0
5
Boron may be elemental, but it's certainly not basic. The 2D form of the element, called borophene, holds immense promise for application in energy, sensors and information storage, but more work is needed, according to a ...
Nanomaterials
Feb 21, 2023
0
15
Concerns are being raised across the U.S. about whether schools have a right to compel female athletes to provide information about their menstrual cycles.
Education
Feb 21, 2023
0
1
Less than two weeks after train cars filled with hazardous chemicals derailed in Ohio and caught fire, a truck carrying nitric acid crashed on a major highway outside Tucson, Arizona, killing the driver and releasing toxic ...
Environment
Feb 21, 2023
5
13
When scientists develop new optical techniques and instruments for medical diagnosis, surgery, or light-based therapy, those techniques and instruments must be validated and calibrated through extensive testing. The test ...
Optics & Photonics
Feb 21, 2023
0
52
Like a merchant of old, balancing the weights of two different commodities on a scale, nature can keep different genetic traits in balance as a species evolves over millions of years.
Evolution
Feb 21, 2023
0
206
Different cell types—say, heart, liver, blood, and sperm cells—possess characteristics that help them carry out their unique jobs in the body. In general, those characteristics are hard-wired. Without intervention, a ...
Cell & Microbiology
Feb 21, 2023
0
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