Most school threats fade fast, but some signal real danger. A massive Florida study shows how threat assessment separates noise from risk—and why it keeps schools safer.

If not, he flies economy—the least carbon-intensive option—and swats aside a vague feeling that he is “getting away with something.” Even though his work could help save the planet, he is forever ...

A team of researchers has found a way to steer the output of large language models by manipulating specific concepts inside these models. The new method could lead to more reliable, more efficient, ...