Scientists find that fats push an “eat more” button in rats
Carbon dioxide is making the oceans more acidic
Exploring salt deposits, researchers unearthed the planet’s oldest-known, complete molecules thought to have been made by living things.
Scientists have discovered the trick that an African fly uses to survive dry times.
Millions of people use artificial sweeteners, but are they safe?
New food guidelines emphasize that we should eat more fruits, vegetables, and whole grains.