We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › What’s the ultimate must-have for outdoor living when you need a reprieve from the sun?

Something you’ll find in most backseats or at the bottom of your handbag is an umbrella. We stash them not only in our cars and bags but also in our office, foyer and laundry room. But not all ...

Mathematician Eugenia Cheng explores the uses of math beyond the classroom. Read more columns here. I love sitting outside in the summer, whether at a cafe, the beach or a friend’s backyard. Still, ...