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This week Reactions dives into something truly out-of-this-world: amorphous ice.

In today’s episode we figure out what’s so special about carbon dioxide and how it absorbs heat.

In this video, we’re going to explore the weird science behind 74,963 forms of ice.

This episode shows why developing glyphosate for crops is tough for Farmers and weeds.

There are millions of pieces of trash orbiting Earth - how long will they stay up there?

Bakers on TV are always talking about gluten, like it’s some kind of monster hiding in your bread. So is it gluten good, or bad for you?

How do you recover gold that’s been dissolved in acid? How do we know the half-life of uranium? We take on your burning chemistry questions.

Watch as Reactions uses some acid know-how to tell a chemistry detective story and sort real gold from the imposters.

In this episode, we visited McFadden Art Glass in Baltimore, Maryland, to learn about the chemistry of this ancient material.

In this video, we dive into heated debates about the science of water and its weirdness!

This video shows why hibernation is more complicated than bears sleeping during the winter.

This video explores how hydrogen fuel cars seem like a great driving solution.

This episode explores how people have struggled for centuries to collect gold from oceans.

In this episode, Sam uses bacteria to clean up a Deepwater Horizon oil spill at home.

Life depends on death and all living things die. So are we breaking the circle of life?

If concrete buildings don’t just collapse, why did the Surfside Towers in Florida fail?

How do we know that there’s a quadrillion tons of diamonds below the Earth’s surface?

In this episode, we talk about where plastic comes from, when it rains.

Before you go to the beach, can sunscreen prevent wrinkles, skin cancer and sunburn?

This episode reveals how people use chemistry to reduce carbon dioxide in our atmosphere.

This episode reveals why catalytic converter theft is on the rise and its chemistry.

This episode shows us that Forever Chemicals are useful, but could also be a bad thing for the environment.

In this video, we explore how ammonium nitrate into a deadly weapon used by terrorists.

In this episode, California wildfires are common, but that bright orange sky is new.

In this episode of Untold, the Loneliest Whale sings a song outside the normal frequency.

In this Untold episode, we break down what is a battery and how they’re all around us.

In this Untold episode, we investigate how a lake can shoot out deadly carbon dioxide gas.

This Untold episode Talks about the sun and the wild things happening below its surface.

This Untold episode explores how to keep our food cool, without warming the planet.

In this Untold episode, we dive into the science of tiny organisms that cause red tides.

In this Untold episode, we explain the science of the Challenger Space Shuttle accident.

We checked to see if polio vaccine might provide protection against COVID-19.

This video shows why CDC wants people to wear masks to decrease the spread of COVID-19.

This video explains chemistry behind why soap is effective against viruses like COVID-19.

In this video, find out why shark repellent was developed for decades� but didn’t work.

In this video, find out why shark repellent was developed for decades� but didn’t work.

Today we’re going to test how well you can tell a perfectly safe Mushroom from the poisonous ones.

In this episode, we break down a few options on what to do with your body after you die.

Happy Holidays! Kick back, relax and enjoy our chemistry-themed yule log trivia video!

In this episode, we’re digging into a few of the weirdest ways to combat climate change.

This episode explores how a fluffy cloud stays aloft in the sky, and how much it weighs.

In this episode, we talk about the chemistry behind the Chernobyl nuclear catastrophe.

This episode shows how firefighters are using fertilizer to keep dangerous blazes at bay.

This video shows why getting freshwater from ocean water is harder than you think.

In this episode of Reactions, learn why Moon dust might smell like gunpowder.

In this video, we’ll share tips that help you see the luminous colors dancing in the sky.

In this episode, discover what makes carbon the backbone of all forms of life on Earth.

We honor women’s history month, with a story of two women chemists that changed the world.

This week, we’ll explore how much helium is left to see if this element will go extinct.

In this video, you're about to find out if death by toilet bowl cleaning can really happen.

This video shows flamingos are the most hardcore animals on the planet and they are pink.

This video explores green plastics as a solution to our throwaway lifestyle.

For the winter holiday season, here is our chilly compilation of snow and ice chemistry!

In this episode we unravel the mystery of how Antarctica Fish avoid freezing to death.

This video will help you understand these buzzy weather words like humidity and dew point.

How can a tardigrade survive practically anywhere? The secret comes down to chemistry.

In this video, we learn what REALLY happens to plastic bottles when you recycle them.

Yellowstone hot springs have incredible geochemistry, but why are they so dangerous?

To beat the summer heat, we turn to heat transfer and the chemistry of refrigerants.

We’re trying again to change hydrangea, since it didn’t work in an earlier episode.

We asked writer Sam Kean, are we breathing air molecules that were once exhaled by Caesar?

In this video, we explain how crumbly chalk and tough seashells are made of the same stuff.

This week in celebration of Earth Day, we talk about the chemistry of methane hydrates as a source of energy and a climate change threat.

In this video, we’re explaining the science of flame jetting and the dangers this ten-foot fireball can cause to students and teachers.

Did you know that tree-ripened olives are not black but green? In this video, we break down the chemistry of these salty, oily stone fruits.

In this episode, we explain the chemistry of petrichor, a sweet smell in the air after it rains during a spring shower.

Reactions is taking science to the skies to see what happens in the chemistry behind chemtrails, or more accurately, airplane contrails.

In this video, we look at gallium, the science behind the holes in the periodic table, and the history of how the elements fell into place.

Theo Gray is 2011 ACS Grady Stack Award winner and in this video, his real DIY masterpiece is the world's first "periodic table table."

Reactions tackles the keto diet fad that never dies—The science that goes on with cutting out carbohydrates.

We're taking a closer look at hand sanitizers, what this goo is made of, and just how effective it really is against viruses and bacteria.

The space probe has uncovered chemical mysteries on the moon Titan that will keep scientists busy for years to come.

What’s the difference between fluorescence and bioluminescence? We illuminate the biochemical distinctions.

Thanks to 30 years� of color-changing chemistry, the Statue of Liberty is an iconic green symbol of freedom. But what’s her original color?

For the 30th anniversary of National Chemistry Week, scientists can use radiometric dating on rocks, and figure out how old is Mother Earth.

Reflecting on the 100th anniversary of the WWI, Jonathan Tucker’s book “War on Nerves� explains the surprising history on chemical weapons.

You’ve probably heard rumors that peeing on a jellyfish sting can make the pain go away, but does this old wives tale stand up to science?

In this video, we dig up all the dirt on how earthworms eat, improve farming and save the environment � Just in time for Earth day!

Get hyped! This episode talks, not only about Bicycle day � but the psychedelic effects of LSD, discovered by chemist Albert Hoffman.

Thanks to the laws of thermodynamics, thermometers can measure temperature. But how do they work in the kitchen or doctor’s office?

Check out this video, to see a new trend in agriculture called vertical farming that protect plants from harsh weather and pesticides.

With the festivities of the holidays in full swing we're talking fat, and whether or not the cold weather can help you shed a couple extra pounds.

In our last stop of the Speaking of Chemistry Road Trip, Kimberly Prather of UCSD and the Scripps Institution of Oceanography drops some serious knowledge on us.

Our pools are full of disinfectant chemicals that keep them free of microorganisms, but we're going to answer that age old swimmer's question - is it really okay to pee in the pool?

Pond scum is usually just a nuisance, but it can become dangerous. Check out the chemistry behind these harmful algal blooms.

Sadly, a few days before Mother’s Day, the May flowers may start wilting. Thankfully, Reactions has science-backed tips to maximize the freshness of your cut flowers.

Why do wasps become more aggressive after you kill one of the hive members? Reactions answers viewers� chemistry questions like these with some short and sweet chemistry.

Lead levels were dangerously high in Flint’s tap water. Now, researchers at Virginia Tech are using analytical chemistry to try and make water safer.

Diseases from mosquito bites kill hundreds of thousands of people every year. Now the Zika virus has spread throughout Brazil, and the World Health Organization has declared Zika a public health emergency.

In celebrating Thanksgiving, we've put together a video on a new horizon of creating fake meats that taste and feel just like the real thing and way better for the environment.

In the Fallout 4 video game, the story features people who survived a nuclear war by hiding in shelters. Here, we look at how to survival a world full radiation.

In this week’s episode of Reactions, we explain the history and science behind the Centralia mine fire.

Jennifer Novotney, winner of the 2014 Chemistry Champions competition, breaks down what it is about poison ivy that makes us so itchy.

This week, we break down the chemistry that keeps the roads safe when bad weather hits.

Ever wonder why some leaves turn red, others yellow and some just turn brown? It's all down to chemistry.

Fortunately for beachgoers everywhere, our latest episode of Reactions explains why it is absolutely OK to pee in the ocean.

This Untold episode, shows how a tiny molecule holds up so much of our modern world.

Through advances in crystallography, scientists have learned a lot about the staggering structure and the number of possible shapes in snowflakes.