The calculator on your Apple devices can do more than add, subtract, multiply and divide. Here's how it can help you with all kinds of math problems.

The science pros at The King of Random demonstrate making a solar cooker using a Fresnel lens. Donald Trump's Epstein problem keeps coming back Tyler Perry accuser speaks out in 1st television ...

On the night of September 7–8, 2025, India will witness one of the year’s most spectacular astronomical events – a total lunar eclipse, also known as the Chandra Grahan. Popularly referred to as a ...

Brushing your teeth twice a day might seem like a mindless activity, and during those two minutes, you might space out or watch videos on your phone. This is especially the case when using an electric ...

Google Drive is an immensely popular cloud storage service, and one of the most generous free tools on the market. It’s powerful and easy to use, but learning how to use Google Drive can be ...

On a recent evening, a trio of Ukrainian drones flew under the cover of darkness to a Russian position and decided among themselves exactly when to strike. The assault was an example of how Ukraine is ...

Jocelyn Solis-Moreira is a freelance health and science journalist based in New York. There’s nothing like shutting the bathroom door, maybe even locking it and hiding away from one’s family, even ...

From Trading to Staking: Ways to Make Money with Crypto Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative ...

Estimate how much your money can grow with our free investment return calculator. Enter your planned contributions, timeline, rate of return and compounding frequency to get started. Many, or all, of ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.