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An analysis of neuropsychological testing and 18F-FDG PET imaging in patients with long COVID suggests that symptoms are not connected with enduring cognitive changes or brain pathology.

Ground squirrels have few natural defenses against predators, so they rely on an early warning system to identify threats and alert others to run for cover. But unlike meerkats that take individual turns standing watch while the rest forage, ground squirrels found off the coast of Africa keep watch together — a behavior called synchronous vigilance, according to a new study

A nationwide study from the Centers for Disease Control and Prevention (CDC) shows that mRNA COVID-19 vaccines are associated with significantly more immunity than a prior COVID-19 infection.

Researchers have been exploring the role of symbiotic skin bacteria in wound healing for different fish species. They also demonstrated that fish can be an excellent model for exploring the mechanisms of wound healing.

A new study published in Gastroenterology demonstrates that acinar cells within the pancreas can form new cell types to mitigate injury, however, this transition makes them susceptible to cancer-causing mutations.

Proteins bind to one another through a complex mix of chemical interactions. What if some proteins bind due to their shapes, a much simpler process?

Thermoelectrochemical cells show promise in utilizing waste heat to generate electrical energy. However, a low conversion efficiency has limited their application. Now, scientists have designed a novel hybrid thermoelectrochemical-concentration cell that outperforms similar state-of-the-art devices, opening doors to commercially feasible energy harvesting systems.

Researchers have discovered that an inflammatory mediator, called interleukin-26, appears to have an important role in pneumonia and contributed to the killing of bacteria.

Two distinct ways have bee identified that people with HIV can control the virus for an extended period after stopping antiretroviral therapy under medical supervision. This could inform efforts to develop new tools to help people with HIV put the virus into remission without taking lifelong medication, which can have long-term side-effects.

A simple stomach bug could do a lot of damage. There are 100 million neurons scattered along the gastrointestinal tract—directly in the line of fire—that can be stamped out by gut infections, potentially leading to long-term GI disease. But there may be an upside to enteric infection.