Selective extinction of apex predators suggests a shift to more generalist diets. A global catastrophe 66 million years ago led to the extinction of all…
Posts published in “Physiology”
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The golden poison frog, Phyllobates terribilis. Credit: Chris Wellner, Smithsonian’s National Zoo A team of researchers from the University of California, San Francisco (UCSF), Stanford…
An international collaboration elucidates the mechanisms that facilitate accurate identification of moving images. Imagine meeting a friend on the street, and imagine that with every…
Artistic rendering of dying cells protecting their neighbors to maintain tissue integrity. Holes in epithelium created by uncoordinated cell death are shown in purple. Credit:…
Every day, our bodies face a bombardment of UV rays, ozone, cigarette smoke, industrial chemicals, and other hazards. This exposure can lead to free-radical production…
Eating milk chocolate every day may sound like a recipe for weight gain, but a new study of postmenopausal women has found that eating a…
Legend has it that Marie Antoinette’s hair turned gray overnight just before her beheading in 1791. Though the legend is inaccurate—hair that has already grown…
Autophagy illustration. Patients with a unique cellular disorder are helping researchers understand a series of health complications better. For the first time, researchers led by…
This image shows adult coelacanth scales. Credit: Laurent Ballesta Coelacanths may live five times longer than researchers expected. Once thought to be extinct, lobe-finned coelacanths…
Drs. Itokawa, Mizutani and colleagues performed microtomography experiments the BL20XU beamline of the SPring-8 synchrotron radiation facility and found that brain capillary structures show a…
Single-cell analysis of autopsy samples from COVID-19 patients shows how the lungs repeatedly tried, and failed, to repair themselves. Scientists from several hospitals and research…
Zebra Finch Singing is crucial for the recognition, sex life, and speciation of songbirds; new research published in Current Biology shows songbirds have extremely high-resolution…
African fish called mormyrids communicate using pulses of electricity. Credit: Tsunehiko Kohashi American writer and humorist Mark Twain, a master of language and noted lecturer,…
The elevated pup-retrieval test was used to assess the willingness of mice to care for infants in risky/dangerous situations. See the accompanying video for the…
Sergi Beltran and Leslie Matalonga pictured in front of a supercomputer and servers that hosts the RD-Connect GPAP platform. The platform is located at the…
Nascent cells in red, neurons in green. The cells in pink are new neurons to be integrated into a neural network. Credit: © UNIL-CHUV- Carron…
A schema summarizing the effects caused by the deficiency of GABAergic transmission from vasopressin neurons on circadian rhythms at multiple levels. Without GABA release from…
Covid-19 patients who receive oxygen therapy or experience fever show reduced gray matter volume in the frontal-temporal network of the brain, according to a new…
Computed tomography of the brain. Patients with clinically diagnosed neurological symptoms associated with COVID-19 are six times more likely to die in the hospital than…
Exercising can increase your need to drink water, but there’s no need to overdo it. The warmer weather and longer days have inspired reminders to…