We've updated our Privacy Policy to make it clearer how we use your personal data.

We use cookies to provide you with a better experience, read our Cookie Policy

Featured Videos

 

Other Videos

 
Food Facts - CRISPR
Video

CRISPR is a defining feature of the bacterial genetic code and its immune system, functioning as a defense system that bacteria use to protect themselves against attacks from viruses. The acronym “CRISPR” stands for Clustered Regularly Interspaced Short Palindromic Repeats.

Watch Now

Three Minute Thesis - Sponges in the Pipe: Enhancing In-sewer Purification, Tiffany Joan Sotelo
Video

In 3 minutes, Tiffany Joan Sotelo presents her thesis “Sponges in the Pipe: Enhancing In-sewer Purification” explaining how enhancing bacterial populations in sewers can boost the purification of our waste.

Watch Now

Three Minute Thesis - Matthew Richardson “Chill Out! The Key to Recycling a Rocket”
Video

Ever wondered how we can make space travel cheaper and greener? Matthew Richardson presents his thesis on how we can make space rockets reusable in three minutes.

Watch Now

How Sugar Affects the Brain
Video

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.

Watch Now

Genes in the Environment
Video

Under the influence of longer-term climate change, crop growing conditions are becoming more extreme.

Watch Now

Space Mirrors and Other Weird Ways To Fight Climate Change
Video

There are things you can do right now to help our climate--like investing in renewable energy. But today on Reactions, we're digging into a few of the weirdest climate change-combating ideas out there.

Watch Now

The Top 5 Strangest Poisons That Can Kill You
Video

There are some crazy poisons in this world of ours, and they’re often found in things you’d least expect. Here we break down the top five.

Watch Now

How Is Climate Change Affecting Banana Production?
Video

Climate change could negatively impact banana cultivation in some of the world’s most important producing and exporting countries, a study has revealed.

Watch Now

Rainforests 101 - National Geographic
Video

Rainforests are home to over half of the world's plant and animal species. Learn about tropical and temperate rainforests, how they contribute to the global ecosystem, and the conservation efforts being done to protect these biomes.

Watch Now

A Cloud Weighs…. How Much?
Video

Imagine 300 midsize cars floating above your head--that’s how much your average fluffy cloud weighs. So why doesn’t it come crashing down on you?Reactions explore the chemistry behind how a cloud stays lofted in the sky and how it got there in the first place.

Watch Now