Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...

Essilor's new Stellest lenses—approved by the Food and Drug Administration (FDA) in September 2025—promise to slow nearsightedness in children. They use concentric lenslets to redirect light and ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Top 50 CBSE Class 12 Maths MCQs with Answers are available for Pre-Board and Board Exam 2026. Check this article to practise MCQs based on past year question papers.