Turbocharged engines are more common than they've ever been, and one important component that needs to be kept clean no ...

Water supports major body functions like temperature control, saliva production, joint cushioning, digestion, and waste removal through sweat, urine, and bowel movements. Most people meet hydration ...

Healthy foods are usually whole foods that provide plenty of nutrients, stay low in saturated fat and sodium, and avoid additives like sweeteners. There are many healthy, delicious foods across fruits ...

For more than 160 years, the National Academies have provided nonpartisan, evidence-based advice on decisions that affect our nation. Browse the listing of projects and activities to see examples of ...