Vaccination

EXPLAINER: Should you get a new COVID booster? If so, when?

John Wherry will wait until later in the fall to consider getting an updated COVID-19 booster. The University of Pennsylvania immunologist knows it's too soon after his shot late this summer, especially since he's not at ...

Diseases, Conditions, Syndromes

Gut molecules may affect fattiness of liver

Sphingolipids—molecules ubiquitous throughout the human body, named after the Egyptian Sphinx for their complexity when scientists discovered them nearly 150 years ago—are not necessarily household conversation topics.

Neuroscience

Children compensate for lack of concentration through creativity

Children have a hard time with concentration tasks, but are often good at discovering hidden "tricks" to make the task easier. Spontaneous strategy changes help them to do this, according to a study on learning behavior in ...

Overweight & Obesity

Molecule boosts fat burning

Normally, fat cells store energy. In brown fat cells, however, energy is dissipated as heat—brown fat thus serves as a biological heater. Most mammals therefore have this mechanism. In humans it keeps newborns warm; in ...

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