By joining the Beacon Hill Village in Boston, older people commit to helping each other while they stay in their own homes. And they have plenty of fun while doing it, says MIT AgeLab director Joseph F. Coughlin.

Psychologist Susan David explains why a simple switch from “I must go to the gym three times a week” to “I want to go to the gym three times a week” can put your goal within reach.

Once upon a time, you would have thought long and hard before you bought sneakers from a stranger in another country or rented out your home to one. So what made you feel it was safe, useful and okay? Trust researcher Rachel Botsman explains the process.

Kio Stark loves to talk to strangers — but she knows every exchange started is one that must be ended. Here, she shares how to gracefully step away.

Veteran financier Ray Dalio has been in every kind of meeting: the good, the bad and the ugly. Here’s how he keeps his meetings focused and productive.

Most people’s hearts leap up when they see the words “50% off” or “Buy One Get One Free.” Unfortunately, discounts cause us to act quickly and spend more than we should, say economist Dan Ariely and writer Jeff Kreisler.

Mathematicians Hannah Fry and Thomas Oléron Evans have crunched the numbers. Forget utilities — these are the properties you really should be investing in.