Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

The U.S. Fish and Wildlife Service has recently proposed listing seven species of pangolins, the most trafficked mammals on the planet, under the Endangered Species Act. If finalized, an ESA listing ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

The vast majority of students won’t take algebra until middle or high school. But teachers can start laying the groundwork for this pivotal class a lot sooner, some researchers say—and instilling ...

Microsoft Excel comes in handy for anything that requires record-keeping and organizing. Inventory, wages, order processing, you name it, Excel is designed to cater to it. However, people sometimes ...

Air pollution, plastic residues, worrying too much, sitting too much, forgetting to floss, drinking coffee, eating burgers – sometimes it can feel as if everything in life is conspiring to kill us.

To sum and subtract in Google Sheets, use the formula =SUM(x:y) or =MINUS(x,y) in the desired cells and input the relevant values. Press Enter to get the results. Adding up columns or rows of numbers ...

The lack of scientific terms and vocabulary in many of the world’s sign languages can make science education and research careers inaccessible for deaf people and those with hearing loss. Meet the ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...