Jessica Orwig discusses the work of Gavin de Becker (photo, left).

"Tim Urban knows that procrastination doesn't make sense, but he's never been able to shake his habit of waiting until the last minute to get things done.

Jacquelyn Smith and Rachel Gillett (photo, left) report over at BusinessInsider.

"Let's start with why you shouldn't feel guilty about saying no.

"The ancient Stoic philosophers are often dismissed as joyless and boring intellectuals.

"Research offers a few clues about the most effective way to say 'I'm sorry.

"We all know a few people — probably just a few, actually — who win over everyone they meet.

"Wharton operations, information and decisions professor Senthil Veeraraghavan [photo, left] has made it his business to help businesses figure out how to improve their outcomes with adjustable pricing models – without jeopardizing their relationships with customers.

"Barbara Pachter provides advice on how to properly act in business and social settings in The Essentials of Business Etiquette: How to Greet, Eat, and Tweet Your Way to Success.

"You may think that fidgeting and not making eye contact are telltale signs that someone's lying to you.

"In his book The Virgin Way, Richard Branson reveals that he loathes speaking in public.

"It is an odd thought that our sibling relationships may be at the center of what makes us who we become.

"Given their social and outgoing natures, extroverts have never had much trouble gaining acceptance in the business world.

Shana Lebowitz and Melia Robinson report on the work of Amy Cuddy (photo, left).

"People size you up in seconds, but what exactly are they evaluating?

"What follows are the 10 most common body language blunders that people make, and emotionally intelligent people are careful to avoid.

Shana Lebowitz reports.

The Tesla factory is as technologically advanced as the electric cars it produces.

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Get insights and inspiration from Forbes Under 30 Summit presenters.

"The first time someone meets you, it takes them about three seconds to determine whether they like you or want to do business with you in the future, said Jean Baur, a career coach and author of the book 'The Essential Job Interview Handbook.

Follow these steps distilled from Duarte’s decades of experience crafting presentations for major corporations.

MSN.

This video presentation by Professor Patricia Jenkinson describes the process of perception and helps explain why we each perceive the world in a unique way.

Learn tips and tricks that will make your Google searches better and faster.