Eight Sleep—often called Silicon Valley’s favorite bed—is like a full-body Fitbit. It is a $3,050 mattress cover filled with sensors to monitor heart rate and body temperature. For people who…

As a stylist, I’ve learned there’s no one-size-fits-all when it comes to extensions. The right choice depends on the look, the setting, and the client. Over the years, I’ve used…

As a stylist, I’m always on the move, whether it’s hopping on a plane for a shoot or packing for an event. And while I’ve mastered the art of squeezing…

Sign up for Being Human, our newsletter that explores wellness culture, human behavior, mortality and disease, and other mysteries of the body and the mind. On a road in Aurora,…

In This Guide Always think of your natural hair type. Extensions should complement, not compete. Go for a density that matches your hair’s thickest point (usually near the roots). Don’t…

To eat 10,000 calories a day, you might try putting away a family-size box of Oreos, a box of packaged cakes, a pint of Ben & Jerry’s, takeout from Five…

Politicians sometimes do silly things to draw attention to their favorite issues. In 2015, then-Senator Jim Inhofe famously brought a snowball onto the floor of Congress to argue against the…

As Andrea Baccarelli, the dean of Harvard’s School of Public Health, prepared to open a virtual town hall earlier this month, members of the university’s graduate-student union gathered for a…

Shopping for hair extensions online can be tricky, especially when you can’t see or feel them in real life. Of course, you’d want to find the right match that blends seamlessly…

It was a strange weekend for employees of the Centers for Disease Control and Prevention, to say the least. On Friday, hundreds of workers at the agency, many of whom…