Only 14% of teens worldwide get enough exercise, huge study finds
A Lancet Global Health study of 3 million adolescents found most fall far short of an hour of daily activity, and girls lag behind boys.
A Lancet Global Health study of 3 million adolescents found most fall far short of an hour of daily activity, and girls lag behind boys.
Police say the students spent months researching school shootings; no weapons were found.
Common Sense Media says some safety alerts failed in testing. OpenAI says the findings are inaccurate.