Magnets - how DO they work? We've got the answer for you, plus a bunch of weird fun magnet facts - where they got their names, why hitting some stuff with a hammer can turn it into magnets, and even why we feed magnets to cows, on purpose.

Today we’ll explore the history of education as a social institution, with a specific focus on how the US organizes its educational system. We’ll look at education through the lenses of some sociological paradigms: structural...

Hank gives you the facts on stem cells - what they are, what they're good for, where they come from, and how they're used in medicine.

When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...

Despite the profound changes we’ve made here in recent history, the epic saga of Los Angeles' natural history is still visible - and even striking - if you know where and how to look for it.

All told, the Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how were they able to survive in this harsh environment?

Common knowledge is the secret engine of social life, letting us coordinate everything from meet-ups to markets to international diplomacy. In this fascinating talk, experimental cognitive scientist Steven Pinker explores its momentous...

Calling them "our bodies' own repair kits," Susan Solomon advocates research using lab-grown stem cells. By growing individual pluripotent stem cell lines, her team creates testbeds that could accelerate research into curing diseases --...

You're swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you've been stung by a jellyfish. How do these beautiful gelatinous creatures pack such a painful punch? Neosha S Kashef details the...

We rescued a very old box turtle and a teenage red footed tortoise from improper care. Both have medical issues and will need lots of special care and good husbandry from now on.

Revealing the amazing and unique properties of stem cells, and how they can be used to regenerate tissues. Biology - Cells And DNA - Learning Points. There are three different types of stem cell: embryonic, foetal and adult. Stem cells...

In today’s episode, you’ll hear Band 9 IELTS Part 3 answers about food. You’ll learn strategies that will increase your Fluency and Coherence score.



Jessica was an examiner for 14 years, and Aubrey knows everything...

The wisdom of yoga revealed in Wai Lana Insights will inspire you on your journey towards a happier and healthier life. “When we’re young, we rarely think about our digestion. But it can become an issue as we get older …”

Add multi-digit whole numbers when no carry is needed.

Demonstration of a custom-built bluetooth dual-motor remote control car. Both car and remote control use Arduino Uno and Arduino Nano microcontrollers respectively, with independent HC05 bluetooth modules that are programmed to...

This video shows how to use the test command and explores the comparison and file test operators.
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This clip is from the chapter "Test command, commands chaining, and conditional statements" of the series "Complete Bash...

In this math video we will find the area of a the base of a prism & the volume of a prism. We will begin this three part question by finding the area of the base of a square prism. We will review all measurements to be sure they are in...

William Hogarth's famous engravings, "Beer Street" and "Gin Lane," are not only impressive pieces of visual art; they're also impressive pieces of visual argument.



In this video we'll explore the structure and composition of...

This video presents a project to dynamically create rectangles.<br/<br/>>

This clip is from the chapter "Pointers" of the series "The Complete C++ Developer Course".This section discusses pointers in C++.

Did you ever need to bail out a friend? Did a friend bail on you? Today, find out what these terms mean and exactly how and when to use them to talk about precarious situations in English.

Could math help make American democracy more responsive to the people? From detecting gerrymandered districts to predicting the impact of alternative election methods like ranked-choice voting, neuroscientist Sam Wang outlines how...

Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible,...

Quantum computers obtain superpowers by tapping into parallel universes, says Hartmut Neven, the founder and lead of Google Quantum AI. He explains how this emerging tech can far surpass traditional computers by relying on quantum...

Our bodies are the ultimate factory. Every cell has its specific job to do, and is shaped to do that job perfectly. The fate of each cell is determined during the embryo stage, and then cannot be changed. However, cutting-edge research...