Practice and preparation still apply with video-based presentations, but there are added considerations in terms of understanding the technology, having help with interactive features and knowing that things sometimes go wrong, writes Stephanie Scotti. "Use all your resources -- voice, facial expressions, posture and gestures -- to engage listeners," Scotti writes.

Effective time management is not accomplished with to-do lists but by "filtering" tasks as they come in. "No matter how amazing your time management system, if you let too many things in on the front end, you'll never have enough time to get everything done on the back end," says management professor Scott Dust.

Job openings rose by 74,000 in December, while layoffs declined by 243,000, according to the Labor Department's monthly Job Openings and Labor Turnover Survey.

Perspective can be lost when we forget the big picture, make problems bigger than they are, judge people and let emotions control us, writes Frank Sonnenberg. "While a dirty windshield hampers your ability to see the road effectively, you won't even know how much these mental filters distort your view of the world unless you take time to notice," he writes.

Researchers say people who live in places where money is less significant often experience higher levels of happiness than people who live in places with higher levels of monetization. So not only does money not buy happiness, it can sometimes make happiness harder to attain.

A 40-second video created by geoscientists shows how dramatically the Earth's plate tectonics have shifted over the last billion years. "On a human timescale, things move in centimeters per year, but as we can see from the animation, the continents have been everywhere in time," said Michael Tetley, co-author of a paper in Earth-Science Reviews.