Your accountant (probably) doesn’t have a tattoo. This isn’t because they’re scared of needles or because they’re uncool losers. It’s because tattoos are essentially costly signals that change the perception of others. These costly signals have been proven to increase sales of MP3 players, to boost blood donations, and to get diners to pay more for their mea ... Show More
Aug 17
How much should you reveal to your co-workers
In 1997, Miss USA won Miss Universe with one perfectly judged answer. She revealed just enough to charm, but not enough to shock. Harvard professor Leslie John says that's scientifically proven to persuade. Her research shows revealers are more likeable, more hireable, and even m ... Show More
25m 14s
