What Causes the Northern Lights?

How Do Pregnancy Tests Work?

How to Get Rid of Skunk Smell

Why Do Clothes Shrink in the Wash?

White, Green, Black, and Oolong Tea: What's the Difference?

There are thousands of species of birds and with great numbers come great biodiversity.

Let's honor women’s history month in the international year of the periodic table.

Why Dog Food STINKS!

Death By Toilet Bowl Cleaning?

How Did the 80s Get Hair So Big?

Is White Chocolate Actually White Chocolate?

Why Flamingos Are Pink

Citrus Scent DEBUNKED!

Can Plastic Be Composted?

How Does Low-Dose Aspirin Work?

What makes kimchi sour and spicy, yet also surprisingly rich and buttery?

Flame-retardant chemicals can slow the spread of fire in homes and garments.

Fish living in the oceans around Antarctica seem like they should freeze to death.

Why Does Humidity Feel Gross?

How does animal hide become leather?

Throwing rice at weddings won't hurt birds--and we can prove it with chemistry.

How do astronauts survive the deadly radiation of deep space?

The chemistry behind why fruit flies love vinegar so much.

The humble tardigrade can be found practically anywhere.

How Much Tea Would it Take to Turn the Boston Harbor into Tea?

It’s a much-loved, protein-packed Japanese food standby made of slimy, stinky soybeans.

Clothing makers are harnessing the power of silver to combat workout stink. Does it work?

What’s that stuff in the corner of your eyes when you wake up?

Why does baking powder say “double acting” on the container?

What happens to plastic bottles when you recycle them?

Every medicine you buy has a printed expiration date, but does it actually go bad?

Have you ever popped a balloon with just an orange peel?

Yellowstone's hot springs have incredible geochemistry. But why are they so different?

Air conditioning is the science of heat transfer and the chemistry of refrigerants.

Do you really need all those kitchen gadgets? It all depends on the chemistry of cooking.

It’s the chemistry of washed-rind cheeses that makes these foods so awfully stinky.

We tried to use chemistry to change hydrangea flowers from red to blue. Let's try again.

Surstromming, Swedish for sour herring, has a powerful stink thanks to food preservation.

What does the pH of soil have to do with the color of hydrangeas?

Are you breathing air molecules that were once exhaled by Caesar?

Chalk and seashells are made of the same stuff. So why is one crumbly and the other tough?

How does chemistry makes a cake donut and a yeast donut taste so different?

What do chameleons have to do with nanotechnology?

We visit St. James Cheese Company in New Orleans to learn about the chemistry of cheese.

Melatonin is a supplement that’s supposed to help you sleep. But does it work?

Airbags protect you in a car accident thanks to chemistry and a little bit of physics.

This ice burns because it’s actually methane trapped in water.

Pouring fuel over a flame can cause a ten-foot fireball to shoot out – flame jetting.

You can never buy fresh olives because of a bitter chemical called oleuropein.

There’s a sweet smell in the air after it rains: petrichor. How and why does this happen?

How do we know the half-life of uranium? Can you recover gold dissolved in acid?

Cows burp up a lot of methane, and it has huge climate change consequences.

Fermentation turns these green and black preserved eggs into real Chinese comfort food.

We’ll show you a sneak peak at what really happens in forensics science lab.

Learn how your nose can go "blind" to some smells, and how sanitizers and mouthwash work.

These science-inspired life hacks should help improve your cold weather pick-me-up.

Airplane contrails happen when burning jet fuel meets the chemistry of air.