Can't play sound? The illustrated version is right below.
The full narration of the video.
Why do seared meat and toasted bread smell so good? The answer is a reaction called the Maillard reaction. Food contains sugars, and tiny pieces of protein.
Turn up the heat, and they join hands. Layer by layer, they create hundreds of aromas — and a golden-brown color. Boil a piece of meat, and it turns grey, with no aroma.
Because boiling water never gets past 100 degrees. Sear it in a pan, and the surface passes 150 degrees. The reaction takes off. So for flavor, you need two things: heat, and a dry surface.
If the surface is wet, it gets stuck at 100 degrees. Bread crust, a steak's crust, roasted coffee, French fries — all thanks to this reaction. But remember: golden means flavor; black means bitter.
Next time you sear meat: pat it dry, heat the pan, don't crowd it, don't flip too soon. That irresistible aroma? It's sugar and protein, joining hands in the pan.
When sugar and protein bits get hot, they "hold hands" and make hundreds of aromas and a golden color.
In 1912, a French scientist named Maillard was the first to write it down, so it is called the Maillard reaction.
Put simply: boiling gets you "cooked", searing gets you "delicious". The difference is this reaction.
The ten cloud types, learned through five Latin roots and a three-story sky: why "alto" clouds aren't the highest and which one brings thunder and hail.
Cities get buried by layers piling up in place: rebuilding on ruins, volcanic ash, floods and sand. Will the ground reach space? No, Earth's surface works like a slow conveyor belt.
Same laptop, new bag, and it feels lighter. The weight didn't change: a good pack keeps it close, puts it on your hips, spreads it out, and stops it swinging.
A cubic metre of wood holds about a tonne of CO2. Swap some cement and steel for wood and buildings store carbon instead of releasing it — if the trees are replanted.