pilots

American Airlines is urging pilots and crews to fly faster and take shorter routes to decrease delays. The pilot union says this "pilot pushing," as they call it, will thin the margins of safety.

Clinicians correctly predict a suicide attempt about half the time — no better than a coin toss. Certain tests of involuntary responses, although still experimental, aim to improve the odds.

Short, unlit towers are used to prospect for new wind farms. But the structures pose a threat to crop-duster pilots. Transportation officials are urging better markings and other safety improvements.