“The Kivin method is an exciting way of performing oral sex,” says sex and relationship expert Annabelle Knight, author of ...

Discover a fast and powerful calculus-based method for finding square roots with impressive accuracy. This explanation shows how derivatives and iterative approximation can be used to quickly zero in ...

Losing your phone can leave you in panic mode, especially when the battery dies. The good news is that both Apple and Android offer built-in tools that help you track a missing device even when it is ...

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The 400-pound gold sculpture by Niclas Castello—once touted as “not for sale”—is now tied up in the bankruptcy proceedings of an Austrian billionaire. Niclas Castello's The Castello Cube, made ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...

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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

For millions of Americans living with chronic pain, the cycle feels endless: temporary relief followed by the inevitable return of pain and discomfort. Traditional approaches often focus on managing ...

CHICAGO — The way Pat Murphy sees it, no matter how many games the Milwaukee Brewers have on the Chicago Cubs, it’s still the North Side Goliath vs. the small-market David. “Look at the lineups,” the ...

If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle the easiest pieces first. But this kind of sorting has a cost.