Role-play with a colleague to prepare for a big negotiation, getting the uncomfortable parts out of the way before tackling it seriously, writes careers speaker and writer Lelia Gowland. Think about the worst-case situation that could happen, and focus on the most probable scenario.

Become comfortable delegating tasks even when you think you could do the job better, Tracy Maylett writes. You can't do everything yourself, so give someone else a shot at the task if you recognize they have the skills.

Try to meet with people in person or over the phone once you have connected with them on LinkedIn, Stephanie Glass writes. Engage in groups and conversations, and keep an eye out for job opportunities.

A man fired from a Trane plant in Hamilton, N.J., has been awarded $45,000 in lost wages and damages after he asked to leave work, then left, to retrieve his asthma inhaler. The state attorney general's office intervened to secure the payment and has ordered Trane to change its disability-discrimination policy to provide reasonable accommodations.

Use action verbs and keywords that highlight the skills that the job you're applying for requires in order to improve the chances your online application will be shortlisted by an applicant tracking system, Amy Elisa Jackson writes.

It's best not to disclose your current salary to a recruiter or potential employer at the interview stage, Ben Chu writes. You could end up with a lower offer than you initially anticipated.

NASA scientists are curious about how a series of holes in ice on the Beaufort Sea, near the Arctic Ocean, were made. So far, scientists have theorized that a marine mammal or warm water flowing under the ice caused the holes, which Nathan Kurtz, a scientist with NASA's Operation IceBridge, said is unlike anything he's seen before.