Mercury thermometers are handy and useful, but they could be extremely dangerous to bring on planes.

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?

Hank shows us another SciShow: Experiment! This time he's tackling what may be the most cliche, well-known and misunderstood experiment of all time: the lemon battery. The take home message in this one is: the electricity is NOT in the...

In this video Paul Andersen explains how electrochemical reactions can separate the reduction and oxidation portions of a redox reactions to generate (or consume) electricity. The half reactions can be analyzed to determine the...

Chemistry raised to the power of AWESOME! That's what Hank is talking about today with Electrochemistry. Contained within, Hank discusses electrochemical reactions, half reactions, how batteries work, galvanic cells,...

Even before we knew what bacteria were capable of, we were using certain metals to help fight off their effects.. Hank Green explains how on this episode of SciShow.

New ReviewWhen life gives you lemons...

How do breathalyzers work? And will there ever be a breathalyzer for marijuana? As pot has become legal in several states, law enforcement has sought a method to detect marijuana use in drivers. This is complicated, though. Breathalyzers...

How do breathalyzers work? And will there ever be a breathalyzer for marijuana? As pot has become legal in several states, law enforcement has sought a method to detect marijuana use in drivers. This is complicated, though. Breathalyzers...

2 minute video describing voltage, current and resistance for middle school science

Howcast - Learn how to make silver jewelry from jewelry designer Courtney Gray in this Howcast video.

Howcast - Learn how to make metal jewelry from jewelry designer Courtney Gray in this Howcast video.

Howcast - Learn about cooling, a process used in brewing beer at home, from home brewer Chris Cuzme in this Howcast video.

Howcast - Learn how solder gets inside copper if the copper doesn't melt from expert Jeff Koskulics in this Howcast video.

Howcast - Learn what printed circuit boards are from expert Jeff Koskulics in this Howcast video.

Howcast - Learn what solder is from expert Jeff Koskulics in this Howcast video.

Howcast - Learn about the most common soldering mistakes from expert Jeff Koskulics in this Howcast video.

Howcast -Learn how to color handblown glass from glassblower Todd Hansen in this Howcast video.

Copper conducts heat better than aluminum, stainless steel, and cast iron, and is the choice of many choosy chefs.

It can take five or more years for atmospheric conditions to produce a copper patina, but you can produce an attractive artificial patina in a much shorter time.

Flashing materials are the metal -- or sometimes vinyl -- connector pieces between sections of your roof or around the chimney, vents, and skylights. They can become damaged over time. Here are some repair tips.

DIY SCI host Steve Spangler demonstrates whether or not American currency is magnetic!

Underwater Cables are everywhere and an essential element of our modern society, in particular of our connected life. But have you ever wondered how these submarine cables were recycled ? Today on the Frame let's explore this fascinating...

In this woodturning video, I will attempt to wood turn different metals such as brass, copper and aluminium using some exotic hard woods like wenge, purple heart, spalted beech, blackwood. This was an experimental project to see how you...