Autoimmune diseases like lupus, myositis and forms of arthritis can strike children, too. At a sleepaway camp in upstate New York, some young patients got a chance to just be kids. “It’s really fun,” said Dylan Aristy Mota, thrilled he was offered this rite of childhood along with the reassurance that doctors were on site.

Conspiracy thinking, supernatural beliefs and pseudoscience can seem impervious to evidence. An anthropologist suggests the opposite: Extraordinary beliefs may be supported by an individual’s experience.

Scientists have discovered that a mysterious foot found in Ethiopia belonged to a previously unknown ancient relative similar to Lucy.