Saliva doesn't just help with digestion; it also aids your body's fight against disease and infection.
When you open a container of yogurt, you'll often see liquid collected on top. What is it, and where does it come from?
A jar of honey that's been opened and resealed can stay on the shelf for years. Archaeologists have even found ancient jars with unspoiled honey inside.
We humans are dependent on chemicals like water, air, sugars, starches, fats, proteins, as well as on small amounts of vitamins and minerals.
"Today, high calorie foods are not only abundant; they contain much higher amounts of sugar and fat than what's found in natural food sources."
Bread and wine have more in common than you might think... they both have yeast!
How does your body know to stop digesting after all the food is gone?
The Maya knew that corn and beans grow well together, just as in this country some farmers rotate their crops.
Why do most people like Mom’s cooking? Although family attachments can account for part of our appreciation, the fact that Mom’s (or Dad’s) cooking tastes good to us also has some basis in genetics. Learn more on this Moment of Science.
Microwaves are low energy electromagnetic waves that have so little energy they can’t trigger chemical reactions in the molecules they encounter.