Personalized clusters of brain cells made from people with Rett syndrome had abnormal activity, showing potential for studying how human brains go awry.
Coronavirus vaccines give the immune system of previously infected people a boost, probably giving those people better protection against new variants.
As temperatures rise, violence and aggression go up while focus and productivity decline. The well off can escape to cool spaces; the poor cannot.
More coronavirus RNA is in fine aerosols than in larger droplets, but masks can reduce the amount of virus in the air.
As children head back to school in the United States, here’s a look at various testing strategies that could keep kids safe during in-person learning.
Recent historically low levels of some respiratory illnesses may lead to outbreaks this fall and winter, creating disruptions as kids return to school.
Brain signals called sharp-wave ripples have an unexpected job: influencing the body’s sugar levels, a study in rats suggests.
Universal masking in schools could prevent a bumpy 2021–22 schoolyear and keep kids, many of whom are too young to be vaccinated, safe, experts say.
Researchers are starting to tally how a year and a half of pandemic has left many children struggling academically and emotionally.
Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.