You might have noticed that some gas stations occasionally offer specials on unleaded 88 octane gas—also known as E15—which contains 15 percent ethanol. Ethanol is an alcohol that’s derived from corn.

In mid-December 2025, an image (archived) circulated online purportedly showing U.S. President Donald Trump using a walker as a mobility aid. Keith Edwards, a Democratic political strategist, posted ...

Researchers at the University of California, Los Angeles (UCLA) have developed an optical computing framework that performs large-scale nonlinear computations using linear materials. Reported in ...

MATLAB Programming is a high-level language and interactive environment used by millions of engineers and scientists worldwide. It enables numerical computation, visualization, and programming in a ...

Q. How do the TEXTBEFORE and TEXTAFTER functions in Excel work? A. Excel’s TEXTBEFORE and TEXTAFTER functions allow users to quickly split up text in ways that used to require combinations of ...

Journal Editorial Report: The Fed Chief signals rate cuts are coming. As we saw during the Covid pandemic, lab-created experiments can wreak havoc when they escape their confines. Once released, they ...

Kara Alaimo is an associate professor of communication at Fairleigh Dickinson University. Her book “Over the Influence: Why Social Media Is Toxic for Women and Girls — And How We Can Take It Back” was ...

After two and a half years we have enough data to form a clearer picture about who is using AI, what they are using it for, what they think about it, and what it means for learning. What do students ...

Either way, let’s not be in denial about it. Credit...Illustration by Christoph Niemann Supported by By Kevin Roose and Casey Newton Kevin Roose and Casey Newton are the hosts of The Times’s “Hard ...

Q. Are there any alternatives to traditional PivotTables in Excel? A. The first thing that comes to mind is the function GROUPBY. The primary purpose of GROUPBY is to make data analysis easier by ...

Excel is one of those tools that we all know and use, but let’s be honest—most of us barely scratch the surface of its true potential. Sure, you’ve probably mastered the basics like SUM or AVERAGE, ...