HS-LS1-6
Construct and revise an explanation based on evidence for how carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids and/or other large carbon-based molecules.
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AnimalsJumping ‘snake worms’ are invading U.S. forests
These bad-news invaders are spreading across the United States. As they turn forest debris into bare ground, soils and ecosystems are changing.
By Megan Sever -
BrainCan we taste fat? The brain thinks so
Scientists had not considered fat a 'taste.' The brain begs to differ, new data show.
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Health & MedicineOur 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.
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ChemistryScientists look to hack photosynthesis for a ‘greener’ planet
Photosynthesis turns sunlight into energy for plants. Scientists want to know more about it, imitate it — even improve it.
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Health & MedicineUltrasound might become a new way to manage diabetes
Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.
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Health & MedicineExplainer: What are proteins?
In the body, proteins act as biochemical machines to carry out the work of cells.
By Bryn Nelson and Bethany Brookshire -
Health & MedicineExplainer: Taste and flavor are not the same
What’s behind a food’s flavor? More than what we taste, it turns out.
By Lela Nargi -
Health & MedicineScience-fair finding allows girl to sample a croissant
Some supplements claim they can help people with celiac disease, who cannot digest gluten. But do the pills work? One teen used science to find out.
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Health & MedicineYour gut’s germs may decide whether white bread or whole wheat is best — for you
Surprise! Gut microbes may determine how your body responds to starches in the diet.
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ChemistryCool Jobs: Counting calories
Do calories count? A nutrition label doesn’t tell the whole story. Meet three researchers working to shed light on the complex connections between food and health.
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BrainThis supplement makes calorie-rich foods less tempting
A supplement that contains the fatty acid propionate causes the brain to rate high-calorie foods less appealing.
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EnvironmentNot so sweet: Fake sugar found at sea
Sucralose — sold in stores as Splenda — has begun turning up in seawater. This raises concern about the fake sweetener’s impacts on the environment.