MS-LS1-7
Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism.
- Health & Medicine
Low protein, longer life — for some
Eating less protein can lengthen life and improve health. That’s the message from new studies in mice and in people.
- Earth
Intel STS finalist brings earthworms to the big time
Earthworms and charcoal help plants resist infections, according to research by Anne Merrill, a finalist in the 2014 Intel Science Talent Search.
- Chemistry
Explainer: What are oxidants and antioxidants?
Certain chemicals, including many in foods, fight chemical reactions that could harm cells in the body and in wildlife.
- Health & Medicine
Building a food pyramid
Experts are trying to work out new rules on which foods to eat and which ones to avoid.
- Humans
A human migration fueled by dung?
When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.
