People have been trying to make the prettiest colors we can for thousands of years. And sometimes, we've even used poison to do it. From lead white to arsenic Scheele's green and cobalt violet, here are just a few of the most toxic...

What if the race to save the planet is harming the people who protect it? Indigenous advocate Galina Angarova exposes the hidden cost of the green energy transition, where the demand for minerals like nickel and lithium threatens to...

About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you...

Science fiction authors have warned us for decades: division among global leaders can quickly create dystopia. Political economist Zainab Usman thinks present-day power struggles may seriously hinder the world's ability to fight climate...

The world has plenty of clean energy. The problem is storing that energy and getting it where we need it, when we need it, says battery recycling pioneer Emma Nehrenheim. While batteries are fundamental to powering a sustainable future,...

Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...

In last week's State of the Union, President Biden reaffirmed his administration's commitment to get more electric vehicles in American driveways. It's estimated that half of all new vehicle sales will be EVs by 2030, but the industry...

Nuclear weapons are the most destructive things we’ve ever created, but it turns out there’s a way to make them even deadlier…

In 1956, a team of scientists conducted an experiment that, seemed kind of trivial, but the results would challenge one of our fundamental beliefs about the entire universe.

Today we're going to take a look at mineral extraction -- or the removal of rocks and minerals from the Earths' crust -- and examine how this human activity impacts all aspects of Geography. We'll focus on the Democratic Republic of the...

Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...

Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?

David Kwong is a magician who makes crossword puzzles -- in other words, a pretty nerdy guy. And for his next trick ...

Discover the mysterious crystal that can absorb all the oxygen in a room—science or danger?

Kinshasa, the capital of the Democratic Republic of the Congo, is Africa’s most populous city and one of the fastest growing in the world. Despite having rich natural resources and great potential, it struggles with deep poverty,...

In order to develop clean energy technology, specific rare earth metals like cobalt and nickel need to be harvested. These often come at a steep human and environmental cost– but what if there was another way? Some propose sourcing these...

What are the properties of magnets, and why are they useful to us? Physics - Electricity And Circuits - Learning Points. A permanent magnet is a piece of metal that possesses a magnetic field. The magnetic field is strongest at the...

Uncover the complex cobalt supply chain in the Democratic Republic of the Congo (DRC) and the global demand driving it. Learn about the role of major companies like Apple and Tesla, the challenges of tracing cobalt origins, and efforts...

Delve into the complexities of cobalt mining in the Democratic Republic of the Congo (DRC), where industrial and artisanal mining intersect. Learn about the environmental damage, displacement of communities, and health risks associated...

Explore the central role of cobalt mining in the Democratic Republic of the Congo (DRC) and the challenges faced by its people. Learn about the working conditions of artisanal miners and the economic impact of cobalt, a key resource...

Discover how cobalt powers the rechargeable batteries in our smartphones, laptops, and electric vehicles. Learn about California's shift towards electric vehicles and the growing demand for cobalt in EV production. Explore the human...

In this video, the teacher explores the fascinating stories behind the names of elements in the periodic table. From the origins of hydrogen and oxygen to the mythical beings and places immortalized in element names, the video uncovers...

Cobalamin: Absorption and Metabolism

Learn the basics about how to test water? what methods and techniques are use to test water? and why is water tested? Find out more in this video!