Decision-making can drain our mental and physical energy, but you can reduce this stress by being honest about how you're feeling, getting comfortable with discomfort and declaring the results and emotions you want to create, writes Marlene Chism. "There's a benefit to being self-aware and honest: The more truthful you are about your own emotions, the easier it is to read other people's emotions," she writes.

A virtual presentation can feel sterile, but keep it conversational by asking lots of questions, such as "Do you see the trend here?", which keeps viewers engaged. "For the audience, rhetorical questions create open loops in the brain which we then want to close by answering them in our heads," writes Sarah Gershman of Green Room Speakers.

Even if there are enough hours in the day to handle every task on your plate, you might find that you run out of mental energy to give them full attention. One solution is to better estimate how long each task on your list will take by allowing time for distractions and transitions between tasks.

Startups often rely on freelancers to get the company going but neglect to treat them more than hired hands, says Matt Dowling of Freelancer Club. His startup revamped their hiring to focus on bringing in a diverse set of freelancers and have them be part of the company's mission and feel like a valued member of the team.

A recent study in Neurology found that women who worked outside the home at some point had slower memory loss after age 70. "While there's no debate that managing a home and a family can be a complex and full-time job, our study suggests that engaging in paid work may offer some protection when it comes to memory loss -- possibly due to cognitive stimulation, social engagement, or financial security," wrote study co-author Elizabeth Rose Mayeda.

Voters have approved Proposition 22 in California, allowing companies in the gig economy to classify workers as contractors. Companies are now turning their attention to other states.

Research by a team of astronomers suggests magnetars may be the source of a phenomenon known as fast radio bursts. The mysterious high-intensity blasts of radio emissions are believed to generate more energy than the sun generates in millions, or perhaps billions, of years.