🔬 Science
The Composting Cycle
How a banana peel becomes rich plant food — and what happens on the way
Green
Scraps
Fruit peels,
coffee grounds
→
Brown
Materials
Dry leaves,
cardboard
→
Microorganisms
+ water +
oxygen + time
→
Compost
Rich humus
for plants
🌡️
The core of an active compost heap can reach up to 60 °C — as hot as a sauna. No electricity. Just life.