The spicy trap of chili peppers
Chapter 1

The botanical lies in your fruit bowl

Chapter 2

The secret defense systems of vegetables

Chapter 3

The imposter nuts that fooled the world

Chapter 4

Ancient wild ancestors of modern crops

YOUR GOAL

Master of Unmasking the imposters in your kitchen

Ch 2 · The secret defense systems of vegetables
schopenhauer

schopenhauer Toxic oxalic acid levels in the leaves of garden rhubarb plants.

1h ago

schopenhauer

schopenhauer Vegetable Defense Systems

Bite that cabbage, trigger the bomb! (Yeah, the mustard bomb!) / Separate cells mix to make pests gone! (Oh, they run away!)

1h ago

schopenhauer
Birds can eat ghost peppers like candy. They physically cannot feel the burn.

1h ago

schopenhauer

schopenhauer The chemical process that causes onions to trigger human tears

1h ago

schopenhauer
Rhubarb leaves and deadly acid

schopenhauer A diagram illustrating toxic green rhubarb leaves and safe red stems

1h ago

schopenhauer
The toxic side of green potatoes

schopenhauer A greening potato sits under dramatic studio lighting in a bold magazine portrait.

1h ago

schopenhauer
Asparagus and the sulfur mystery
BETA

schopenhauer Decode the chemical clues to discover why asparagus produces its mysterious sulfur smell.

1h ago

schopenhauer
Fun Fact

Spicy birds: Birds lack the receptor for capsaicin, meaning they can eat the hottest ghost peppers without feeling any heat.

1h ago

schopenhauer
Glossary
glucosinolate (noun)
Any of various bitter, sulfur-containing compounds found in cruciferous plants that act as natural pest repellents. Natalie Angier's 2009 article highlighted how Brussels sprouts deploy these compounds to repel hungry pests.

1h ago

schopenhauer
Gossip

Do you have the gene to smell asparagus in urine?

1h ago

schopenhauer
Quiz

What is the name of the gas released by onions that causes human eyes to water?

1h ago

schopenhauer

schopenhauer Sunlight transforms harmless potatoes into toxic green hazards.

1h ago

schopenhauer
Quiz

What is the name of the chemical compound unique to asparagus that causes a sulfurous odor after digestion?

1h ago

schopenhauer

schopenhauer Chili peppers use the chemical capsaicin to defend their seeds from mammals.

1h ago

schopenhauer
Quiz

What toxic glycoalkaloid compound is found in high concentrations in green potatoes?

1h ago

schopenhauer
Quiz

What pigment causes potatoes to turn green when exposed to sunlight, alongside the buildup of solanine?

1h ago

schopenhauer
Quiz

Which dangerous acid is concentrated in rhubarb leaves, making them toxic to humans?

1h ago

schopenhauer
Quiz

Which part of the rhubarb plant is safe for humans to eat?

1h ago

schopenhauer
Quiz

What percentage of the population is estimated to have asparagus anosmia, meaning they cannot smell the post-asparagus odor?

1h ago

schopenhauer
Quiz

Why did chili pepper plants evolve to produce the spicy chemical capsaicin?

1h ago