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Is Aspartame Safe?

Is Aspartame Safe?

Season 2 Episode 30
3:46
This Is Your Brain on Music

This Is Your Brain on Music

Season 2 Episode 31
3:41
Better Grilling Through Chemistry

Better Grilling Through Chemistry

Season 2 Episode 32
2:40
Why Do Feet Smell?

Why Do Feet Smell?

Season 2 Episode 34
2:34
The Chemistry of Wine

The Chemistry of Wine

Season 2 Episode 35
3:39
Are Invisibility Cloaks Possible?

Are Invisibility Cloaks Possible?

Season 2 Episode 36
4:00
Why are Tattoos Permanent?

Why are Tattoos Permanent?

Season 2 Episode 37
3:54
Can Radiation Give You Superpowers?

Can Radiation Give You Superpowers?

Season 2 Episode 38
4:35
Why Does Coffee Make You Poop?

Why Does Coffee Make You Poop?

Season 2 Episode 39
2:27
Does Febreze Really Work?

Does Febreze Really Work?

Season 2 Episode 40
3:04
How to Stay Awake Without Caffeine

How to Stay Awake Without Caffeine

Season 2 Episode 41
3:15
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Reactions

Hormones and Gender Transition

Season 2 Episode 29

Reactions is taking a look at the chemistry that happens in your body when someone transitions genders. A big part of gender transition is hormone replacement therapy (HRT). This week, Reactions talks about the science of HRT and what happens when the body undergoes major shifts in estrogen and testosterone — two very powerful hormones.

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Liquid Marbles are the Coolest Scientific Breakthrough I've Made (So Far)
11:15
George tries to make a new discovery in a huge field of science... and he might have.
Exposing Fake Honey Using Carbon-13
12:00
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
George Figures Out Static Electricity
20:29
Rubbing two balloons together leads George to a shocking discovery.
The Performance Enhancing Drug They Can't Ban
11:25
Is baking soda a legal, performance enhancing drug?
Why Norway's Osmosis Power Plant Failed
8:10
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
Hot Water Freezes Either Faster or Slower Than Cold Water
13:59
Alex wonders what happens when hot water freezes quicker than room temperature water?
Why a Carbon Capture Breakthrough Will/Won't Save Us
9:56
Could a seemingly magical 300-year-old technology save us from climate change?
What the Research Actually Says About Fluoride in Drinking Water
14:50
Fluoride is everywhere in the discourse but here’s what the research actually says.
How an HIV Miracle Drug Vanished
9:47
How does a lifesaving drug vanish into thin air?
Everyone is Wrong About Mexican Coke (Even Johnny Harris)
9:36
is there really a difference in the Coca-Cola from Mexico?
I Made Kidney Stones So I Could Destroy Them Forever
11:57
Alex made some kidney stones at home and tested prevention methods to keep them at bay.
How Trees Pollute the Air (and Why Your Coworker's Scientific Citations Don't Mean They're Right)
10:38
An email from a subscriber made us question everything we thought we knew about trees.
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