Raise the expectations you have for yourself if you want to regularly deliver more than promised and impress those you work with, Glenn Llopis writes. You also should hold your boss accountable for giving you the guidance you need to become a more valuable asset to the company.

Most professionals aren't using LinkedIn enough to get the full benefits the social network provides, Ariel Lopez writes. You can't be afraid to reach out to others and make new connections if you want to be as successful as possible, she argues.

If you want to introduce two of your contacts through email, make sure you ask each of them for permission first, David Burkus writes. Such "permission introductions" ensure each party has a method of opting out if they are too busy or not interested in adding another contact to their professional network.

The US technology revolution has brought many benefits but not much employment. Job creation by computer and electronics companies rose through the 1990s, but employment has fallen more than 40% since.

Don't hide or apologize for job experiences you aren't proud of, Neil Pasricha writes. Instead, own up to your career history and craft a compelling narrative that incorporates every part of your past and showcases the valuable experience that makes you unique.

Paleontologist Ji Qiang and his colleagues upended conventional thinking about dinosaurs when they announced in August that they had discovered a new type of Chinese ankylosaur. Though ankylosaurs are commonly thought to be herbivores, Liaoningosaurus had fish fossils in its belly, suggesting that perhaps dinosaurs didn't distinguish between meat and plants as strictly as we do.