This paper addresses carrier aircraft landing scheduling considering bolting and aerial refueling. It defines fuel and wake interval constraints, formulates a combinatorial optimization model, and ...

At least one suitor has officially emerged for former Baltimore Ravens coach John Harbaugh. The Ravens parted ways with Harbaugh just 48 hours after losing their regular-season finale against the ...

Going to bed earlier and waking in the early morning often matches humans’ natural circadian rhythm, or internal clock, which tends to follow daylight patterns. Most adults need at least 7 hours of ...

Instead of an app or gadget that claims to jump-start your productivity, consider investing in a good paper planner. There is plenty of research that shows how actually writing down your to-do list ...