Sudden changes in wind speed or direction, known as wind shear, can lift or smash aircraft into the ground during landing.

NPR: Investigators Probe Lion Air Crash In Bali

So a sense of perfection and consistently striving to do better in the direction of a known goal are characteristics of successful teams, organizations, cultures and individuals.

FORBES: The Wild Story Behind A Promising Experimental Cancer Drug

First, its orbit appears to run in the opposite direction from those of the nine known planets.

ECONOMIST: X marks the spot

Cinemagram is a step in the right direction, allowing iPhone users to create photo and video hybrids, known as cinemagraphs, in seconds.

FORBES: 5 Promising Photo Apps You Should Know

Appropriately for someone who is best known for having discovered a comet, Halley used tiny comet-like marks to indicate wind direction, an idea that did not catch on.

ECONOMIST: Weather maps

Crist is also known as an environmental activist and his positions on abortion and same sex marriage have evolved in a liberal direction.

FORBES: 3-Way Race Just Fine for Rubio

And one possible step in that direction would be to state explicitly the range of inflation rates Fed officials will tolerate, a practice known as inflation-targeting.

NPR: Bernanke Vows to Continue Greenspan Policies

This year, Activision's in-house studio Vicarious Visions (known for working on powerhouses like Guitar Hero and Tony Hawk Pro Skater previously) is taking the series in another direction, keeping original Skylanders, the second game's Giants, and adding a new twist in swappable characters.

ENGADGET