Electrical signals tell the heart to contract, but when the signals form spiral waves, they can lead to dangerous cardiac events like tachycardia and fibrillation. Researchers at the Georgia Institute of Technology and clinicians ...
Sep 8, 2022
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In a small patch of skin no bigger than an inch, there are millions of cells all performing duties, like protecting us from bacteria and sensing temperature. A portion of them are melanocytes, a type of cell dedicated to ...
Aug 4, 2022
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Dopamine is an important signaling molecule for nerve cells. Its concentration could not be precisely determined with both high spatial or temporal resolution until now. A new method has now made this possible: A research ...
May 27, 2022
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Scientists have revived light-sensing neuron cells in organ donor eyes and restored communication between them as part of a series of discoveries that stand to transform brain and vision research.
May 11, 2022
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A team of EPFL engineers has developed technology that could partially restore vision in blind people. The study is published in Communications Materials.
Mar 5, 2021
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Leukemia is caused by leukemic stem cells which are resistant to most known therapies. Relapses are also due to this resistance. Leukemic stem cells arise from normal blood-forming (hematopoietic) stem cells. Because they ...
Feb 16, 2021
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Most diseases are caused by aberrant cell signaling processes, and basic research in cell signaling is needed to identify targets for future therapeutic approaches, especially in cases where no cures or effective treatments ...
Oct 22, 2020
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Neurons are cells in your brain. Shaped like little stars, they flicker and fire off signals to each other. The signals travel up and down the long tendrils, called dendrites, extending out from each point of a neuron's star-shaped ...
Oct 19, 2020
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If human eyes came in a package, it would have to be labeled "Natural product. Some variation may occur." Because the million-plus retinal ganglion cells that send signals to the human brain for interpretation don't all perform ...
Sep 15, 2020
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A team of researchers affiliated with multiple institutions in Germany has developed a cochlear implant that converts sound waves to light signals instead of electrical signals. In their paper published in the journal Science ...
