Description: In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be ...

Nearly every part of the United States is getting walloped by wild weather or just about to be. Days of downpours have begun in Hawaii. The Southwest will soon bake with day after day of record ...

Folks across the central, eastern and southern U.S. are about to experience potentially record warmth over the next week or so.

This is one of a series of interviews in which Kim Hoo-ran, editor-at-large at The Korea Herald, speaks with leaders, trailblazers, unsung heroes, and both well ...

Humans are social by design. Rising isolation from remote life clashes with our biology, weakening health and community in ways solitary species do not face.

A lonely polar bear swimming for hours in an ice-free Arctic has been a poster child of a warming world affecting wildlife. But north of Norway, the Barents Sea bears are doing alright — for now.

Everyone has their own strategy for the Connellsville Polar Plunge on New Year’s Day. For Dale Kooser and Geoffrey Bittner, it’s get in and get out. “My rule, though, is it doesn’t count if you don’t ...

In this video, we explore line integrals in polar coordinates, a key concept in mathematical physics. I’ll guide you through how to set up and evaluate line integrals in polar systems, including ...

There are some times when a picture, or better yet a video, really is worth a thousand words, and [heinz]’s dual-disk polar 3D printer is one of those projects. Perhaps the best way to describe it is ...