Wind is an ever increasing source of power worldwide, which means wind farms continue to be constructed. And choosing where to place those farms seems straightforward, but it might not actually be best to place the in the windiest places!

Hank shares the latest ambitious project from SpaceX and Tesla entrepreneur Elon Musk: The Gigafactory. Learn more about how batteries work, what the big deal is about lithium, and why people are getting so charged up. See what we did...

The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists...

When it comes to what you bite, chew and swallow, your choices have a direct and long-lasting effect on the most powerful organ in your body: your brain. So which foods cause you to feel so tired after lunch? Or so restless at night? Mia...

Space might seem like an empty place, but the area surrounding Earth is constantly being bombarded by waves of charged particles released by the Sun: The solar wind. Luckily, thanks to Earth's swirling, molten core (and the magnetic...

Hank tells you about cavitation - the power of tiny bubbles to weaken metal, kill fish & maybe even cure cancer.

Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...

Some of the greatest advances in science have come from humanity's more destructive impulses. This is not the fault of science - when we discover powerful truths about the universe it's up to us to decide how to use them because...

DNA damage doesn't just happen in the summer, but does that really mean we should wear sunscreen in the cloudy and chilly months?

Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven't even discovered yet.

Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.

In this video Paul Andersen explains how heating is the transfer of energy (heat) from a warmer object to a cooler object. Heat can be transferred through conduction, convection and radiation. At the microscopic level conduction...

At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."

You don't have to fight feral ghouls to be familiar with the clicking sound of a geiger counter, but what exactly makes these radiation detecting devices click?

It's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her homeland, discovered some really important answers to the...

The laws of thermodynamics are cornerstones of physics - but one of them is more breakable than it appears.

We aren’t the only animals that pass gas, but other animals have found some much more creative ways to harness the power of their farts!

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Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...

Imagine a country with abundant power -- oil and gas, sunshine, wind (and money) -- but missing one key essential for life: water. Infrastructure engineer Fahad Al-Attiya talks about the unexpected ways that the small Middle Eastern...

Thermometers might seem like a basic instrument, but science would not be the same without them, and they helped us understand one of the most important ideas in all of science: the conservation of energy.

Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?

Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved to use the least amount of energy while carrying the most...

Nature's mysteries meet tack-sharp wit in this hilarious, 10-minute mix of quips and fun lessons, as comedian, writer and TV man John Lloyd plucks at the substance of several things not seen.

Hank talks about a sweet-tasting substance we humans just love - where it comes from, why we need it and how we could maybe stand to love it a little less.