Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 5, 2017 Add as a ...

For years, the knife was the most commonly used tool to sharpen the wooden writing instrument known as a pencil (which historians believe was invented in the 15th or 16th century). But whittling the ...

Add Yahoo as a preferred source to see more of our stories on Google. Although it’s not very glamorous, everyone needs a reliable pencil sharpener in their home. Whether your kids write with pencils ...

There is a crisis on campus. No one's life is at stake, but a lot of people's homework is. I refer to the lack of decent pencil sharpeners on campus. The only place I have been able to find decent, ...

The mysteries of the universe rarely reveal themselves with such spontaneous clarity. I’m also pretty sure my toaster works the same way, just with tiny flamethrowers. [Tumblr via BuzzFeed] Explore ...

Long lines at amusement parks. Traffic stalled at rush hour. Cycling uphill. To most of us, these are just minor problems we face in an otherwise comfortable existence. To Anwar Farooq, they are ...