We’ve all been there. That awkward moment when someone asks how you’re doing, and, without missing a beat, you force a smile ...

If you’re seeking happiness, you may have heard that variety is the spice of life. Interesting data suggests it’s true. When you’re pursuing happiness or figuring out how to be happy, variety can ...

I’ve talked to a former chief of the F.B.I.’s Crisis Negotiation Unit about how to defuse tension during family holidays. Emergency-room doctors about how to avoid accidents. A neuroscientist who ...