In the 20th century, owning a business meant owning a phone number with a land line attached to it. In the 21st century, millions of people rely entirely on cell phones. Some businesses have also ...

Let’s face it: your eyes are an instant age giveaway. Annabel Jones reports on the rise of eye lift surgery and rejuvenation ...

The same protocol as for the rest of the simulations was applied. If the line connecting the centers is perfectly straight, then β = 0. The more curved the line, the larger the corresponding β. As a ...