1. Mac And Cheese
Macaroni and cheese, traced back to Italy
- Pasta cut into 2-inch squares, cooked in water, and tossed with grated cheese
Nowadays, using elbow macaroni and cheese source, has roots in 18th-century England
1.1. As a Meal?
- Add vegetables
- Choose whole-grain pasta
- Moderate cheese and fat
- Watch portion size
2. Hair Grow Speed
1.25 cm per month
Age: fast when children, slow down starting 20s and 30s
Gender: men slightly faster, more likely to experience hair loss
Race: Asian 6 inch per year, Caucasian 5 inch, African 4 inch
3. Electron Visualization
Simplified model, based on mathematical models
Better: quantum particles exist in region of space known as orbitals