How to combine PDF files

From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.
MUO on MSN

I use Excel's TAKE and DROP to make top-10 lists that update themselves

Here's how Excel processes that request. First, the SORT function arranges the entire table by sales amount in descending ...
How-To Geek on MSN

I Use the Arrow Keys More Than Any Other Keys in Excel

Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...
Scientific Research Publishing

Research on High-Resolution Imaging Method of Precious Metal Particles Based on Contrast Difference ()

As one of the important research methods for nanomaterial analysis, transmission electron microscopy (TEM) uses high-energy ...

Master Excel Copilot Without Falling Into These Common Traps

Learn the essential rules for using Excel Copilot effectively, maximizing its strengths while avoiding critical errors in ...
Harvard Business Review

How Pixar Fosters Collective Creativity

A few years ago, I had lunch with the head of a major motion picture studio, who declared that his central problem was not finding good people—it was finding good ideas. Since then, when giving talks, ...
Scientific Research Publishing

An Empirical Study and Analysis on the Implementation of the “MSF” Teaching Mode in the Context of Improving Teachers’ Digital Literacy ()

Zhang, Y. (2025) An Empirical Study and Analysis on the Implementation of the “MSF” Teaching Mode in the Context of Improving ...
Nature

Reporting standards and availability of data, materials, code and protocols

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...