For decades, scientists have been studying the cause of the Younger Dryas, and trying to figure out if something like it could happen again. And it turns out that what caused this event is the subject of a heated debate.

Inspired by the people who have come forward as part of the #MeToo movement, Imani Davis shares her poem “Platinum” and gives her Brief but Spectacular take on how society can overlook wrongdoing by famous artists.

The creation of tiny robots could enable the exploration of new frontiers, from the tightest spaces in the human body to the most remote ecosystems. Here are 5 little bots that draw inspiration from nature to get the job done.

Hank summarizes the exciting news about Planetary Resources, a company with plans to mine near-earth asteroids for precious metals and water, and what these plans might mean for humanity's future in space.

Take a trip down the microworld as roboticists Paul McEuen and Marc Miskin explain how they design and mass-produce microrobots the size of a single cell, powered by atomically thin legs -- and show how these machines could one day be...

In the quest to build colonies in space, one major hurdle to overcome getting materials for construction to the places they'll be needed. One of the most promising techniques for solving this problem involves some extraordinary space...

The days of oil may be numbered, but there's another natural resource that's never been touched, Asteroids.

Howcast - Learn how to get hair color like Gwyneth Paltrow from Pierre Michel Salon colorist AJ Lordet in this Howcast hair tutorial.

Howcast - Learn how to get hair color like Jennifer Aniston from Pierre Michel Salon colorist AJ Lordet in this Howcast hair tutorial.

Howcast -Learn about the pros and cons of a gold setting vs. a platinum setting from private jeweler Kate Hemphill in this Howcast video.

A Cracked Piece of Metal Healed Itself in an Experiment That Stunned Scientists

When we discussed basic information regarding homogeneous and heterogeneous catalysis, we mentioned hydrogenation of alkenes in both of these contexts. Now let's get more specific and describe the mechanism of this precise catalysis in...

A substance that increases the rate of a chemical reaction without itself being permanently changed or used up. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Learn how Thomas Edison revolutionized electric lighting by creating a long-lasting incandescent light bulb with a carbonized bamboo filament. Discover how Edison built the first commercial power station in New York City and how his...

Temperature sensors explained. How do temperature sensors work? In this video we learn the basics of how different temperature sensors work. We look at thermometers, thermocouples, thermistors and resistance temperature detectors RTD.<br/>

Learn how RTD Resistance Temperature Detector sensors work in this video on RTD sensors basics.

Atoms and Elements: Defining Terms distinguishes the differences between an atom, an element, a molecule, and a compound.

Classification of metals according to their chemical activity

Waste management firm Veolia says that it has found a method to recover traces of precious metals in street dust that comes from car exhaust fumes, and that it plans to recycle the metals. Sixty percent of the world's palladium, worth 15...

In this video, we learn about the metal palladium, which is part of the elite group of metals called the Platinum Group. The video highlights the properties of Palladium, including its usefulness as a catalyst, high resistance to wear...

I drove 1800 miles in a Hydrogen Fuel Cell Car!

This video provides an overview of the element fluorine, its properties, and its uses. Despite its reactivity, fluorine is used in dental care and pharmaceuticals due to its beneficial effects on teeth and its stable carbon-fluorine...

Let's take a look back at the elements platinum, iodine, aluminum, iron, and tungsten.

One hour from New York City, where the suburbs of New Jersey give way to farms, a team of scientists are drilling for ancient rocks on the edge of a cornfield. The rocks hold clues about what the earth was like about 201 million years...