Research and media coverage suggest that ADHD rates among children have soared in recent years, but the full picture is much more complicated. ...read more
In the wild, confrontations are common between both members of the same species and those of different species. Just don’t get between a mama bear and her cubs. ...read more
Ridden with gastrointestinal problems as they trekked across the continent, the Corps of Discovery was a big fan of popping mercury pills. Present-day archaeologists are still searching for evidence of the element in their excrement. ...read more