Physicists have developed a dynamical model of animal behavior that may explain some mysteries surrounding associative learning going back to Pavlov's dogs. The Proceedings of the National Academy of Sciences (PNAS) published ...
Plants & Animals
Mar 23, 2023
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6
Living cells can perceive and respond to the geometry of their environment. "Cells sense and respond to the geometry of the surfaces they are exposed to. Depending on their curvature, surfaces can either encourage cells to ...
Cell & Microbiology
Mar 3, 2023
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33
Although Michelangelo's masterpiece "David" captured the magnificence of the human body—how exactly this exquisite body plan is established during human development has puzzled scientists for more than a century. This has ...
Cell & Microbiology
Dec 21, 2022
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46
Oxygen is vital for life, and clinicians can provide supplemental oxygen to patients through face masks and nasal tubes, but there are no methods available for delivering oxygen directly into cells.
Cell & Microbiology
Oct 12, 2022
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27
In humans, a fertilized egg is no guarantee of reproductive success. Most embryos stop developing and perish within days of fertilization, usually because they have an abnormal number of chromosomes. Now, researchers at Columbia ...
Cell & Microbiology
Jul 19, 2022
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47
A pair of researchers at Michigan State University has conducted an experiment with Escherichia coli bacteria meant to help settle a long-time debate in the evolutionary community. They have written a paper describing their ...
A study employing hypothetical restaurant menus suggests that climate-friendly default options and labels indicating the carbon footprint of each dish may influence diners' dish selections and the resulting environmental ...
Environment
May 11, 2022
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46
Researchers from Konstantin Severinov's laboratory have shown what luck has to do with bacterial cells acquiring and retaining small DNA molecules called plasmids in spite of the countering action of the CRISPR-Cas defense. ...
Evolution
May 6, 2022
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21
A new analysis suggests that most U.S. dog owners are unaware of—and do not follow—guidelines on safe pet food and dish handling from the Food and Drug Administration (FDA), but that better education and implementation ...
Veterinary medicine
Apr 6, 2022
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210
It may seem strange after a pandemic that has killed millions and turned the world upside down, but viruses could save just as many lives.
Molecular & Computational biology
Apr 4, 2022
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449
