Brainy truths about your brain that are a real no-brainer!
脳にまつわる4つのトリビア
2025.5.9
241 words
1.How big is the human brain? Think grapefruit and pineapple.
The human brain continues to grow until around age 25. The average adult brain measures 13 to 15 centimeters across — roughly the size of a grapefruit. It weighs about 1.36 kilograms...