As different coronavirus variants took center stage during the pandemic, the chances of developing long COVID fell, especially for vaccinated people.
A high dose of the psychedelic drug briefly throws the brain off kilter. Other, longer-lasting changes could hint at psilocybin's therapeutic effects.
An analysis of images spanning hundreds of years suggests a dark spot spied in the late 1600s and early 1700s is distinct from the Red Spot seen today.
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