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.
- Psychology
You’re too distracted. Here’s why that matters and what to do about it
Science reveals the many reasons we are so distracted, from poor sleep and social media to diet and exercise. It also shows us how to take back our focus.
- Health & Medicine
Scientists Say: Calorie
These little units help us measure energy transfer in chemistry, nutrition and beyond.
- Tech
High-tech solar ‘leaves’ create green fuels from the sun
Chemists make a liquid alternative to fossil fuels from carbon dioxide, water and the sun. Their trick? They use a new type of artificial leaf.
- Brain
Ingredients in popular snack foods can make them addictive
Researchers find that highly processed foods rich in sugar and added fat may be as addictive as tobacco.
- Chemistry
Scientists Say: Rubisco
Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.
- Environment
This chemist uses online videos to teach about the perils of microplastics
Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.
- Health & Medicine
How sunshine may make boys feel hungrier
Males eat more on long summer days, but females do not. Hormones may explain this difference.
- Chemistry
No sun? No prob! A new process might soon grow plants in the dark
Teamwork makes green-work! Collaborating scientists came up with an electrifying farming trick that could make sunlight optional.
- Chemistry
Explainer: What are fats?
A fat molecule's three long chains of carbon and hydrogen atoms repel water, stash energy and keep living things warm — even in the bitter cold.
- Health & Medicine
Warning! Junk foods can harm a teen’s brain
The adolescent brain has a hard time resisting junk food. But high-fat, high-sugar diets can interfere with learning and pose risks to mental health.
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A dirty and growing problem: Too few toilets
As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.
- Health & Medicine
Our gut microbes love a good workout
Technology shows how microbes in the body respond to exercise. That helps scientists understand why those microbes keep athletes healthy.
