Health & Medicine
The sweet truth about carbohydrates
Many carbohydrates are important sources of energy, while others offer little benefit. Learn why not all carbs are the same and how our bodies use them.
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Math
Scientists Say: Symmetry
From snowflakes to animal body plans, repeating patterns of shapes show up throughout nature.
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Chemistry
Experiment: Make your own marshmallows!
Soft, sticky marshmallows can be made with just three ingredients. Finding the right ratio of sugar and corn syrup is key to making this sweet treat.
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Humans
Analyze This: Spooky feelings may come from noises too low to hear
People exposed to low infrasound frequencies had higher levels of a stress hormone in spit and were more likely to rate music as sad.
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This microbe turns into a ‘Hulk’ that eats its own kind
The shape-shifting transformation of Euplotes gigatrox may reveal how early life learned to act in complex ways.
