Skip to main content

Up Next

Back to Show
Reactions

We Burned Food to Figure Out How Many Calories It Has

Season 7 Episode 9

Did you know that a calorie label only has to be accurate within twenty percent? It’s a wide margin, but it exists for a reason: calories are complicated.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
Small Bottle, HUGE Fireball (How Flame Jetting Works)
4:09
Pouring fuel over a flame can cause a ten-foot fireball to shoot out – flame jetting.
Why Can’t You Buy Fresh Olives?
3:15
You can never buy fresh olives because of a bitter chemical called oleuropein.
What's That After-Rain Smell Made Of?
3:58
There’s a sweet smell in the air after it rains: petrichor. How and why does this happen?
The Half-Life of Uranium & Collecting Gold in Acid
2:51
How do we know the half-life of uranium? Can you recover gold dissolved in acid?
Cow Burps Are Warming the Planet
2:49
Cows burp up a lot of methane, and it has huge climate change consequences.
What Are Century Eggs?
2:52
Fermentation turns these green and black preserved eggs into real Chinese comfort food.
TV Forensics: What Do CSIs Actually Do?
5:39
We’ll show you a sneak peak at what really happens in forensics science lab.
Nose Blindness, Mouthwash, and Hand Sanitizer
5:39
Learn how your nose can go "blind" to some smells, and how sanitizers and mouthwash work.
How to Make the Best Cheap Hot Cocoa Possible
3:04
These science-inspired life hacks should help improve your cold weather pick-me-up.
Chemtrails
2:29
Airplane contrails happen when burning jet fuel meets the chemistry of air.
The Race to Invent the Periodic Table
5:34
We look at the chemistry of gallium, the science behind the holes in the periodic table.
Do Ketogenic Diets Really Work?
5:39
We tackle the diet fad that never dies--low carb.
Active loading indicator