Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

The rooster thinks he summons the sun because the sunrise always follows his crow. Correlation, at its worst, is a very confident rooster. For decades, our data economy has run on the same illusion: ...

Learn how to calculate and plot mathematical functions using a spreadsheet. This tutorial shows step-by-step how to set up formulas, visualize data, and create clear graphs for math and science ...

The agency’s “average speed of answer” metric masks longer call wait times, according to data in a recent OIG report. The Social Security Administration’s leadership is claiming victory after the ...

A study from OpenAI aimed to assess the business impacts of AI. Productivity gains were found to vary between particular roles. Early studies like this should be taken with a grain of salt. The use of ...

Parents who want their kids to cut back on screen time might want to get a handle on their own by designating specific parameters for their devices. Do you wish your teen would spend less time glued ...

Jennifer Garrison, a 49-year-old neuroscientist, has been studying how aging changes the way the brain communicates with the rest of the body in a lab she runs in Novato, Calif. But on an afternoon in ...

What if you could cut your coding time in half without sacrificing quality—or better yet, improve it? Imagine an AI assistant that not only generates boilerplate code in seconds but also helps debug, ...

A new paper gives fellow quantum physicists a tool to help explore the geometry of the universe. They say one qubit’s behavior, regardless of its starting position, forms a predictable geometric idea.

Discover how rising global M2 money supply and a 60-day lag could drive the Bitcoin price to new highs. Bitcoin’s price trajectory is once again capturing headlines, and this time the catalyst appears ...

Review and Outlook: New CIA director John Ratcliffe says the most likely cause of the Covid 19 pandemic was a lab-related incident in Wuhan, a judgment the Biden administration kept secret. Photo: ...