Humans
Is synthetic food dye bad for kids? Here’s what the science says
California is banning some food dyes in school meals. Though FDA says the dyes are safe, some studies show they may alter kids’ behavior.
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Word of the Week
Earth
Scientists Say: Frost Quake
When wet soil abruptly freezes, it creates high pressure underground. When the pressure releases, it can trigger a mini-earthquake called a frost quake.
Experiments
Materials Science
Experiment: The surprising strength of eggshells
Architecture is full of arched doors, windows and other structures. But how strong is the natural arch of eggshells?
Technically Fiction
Animals
To clear loops, Sonic the Hedgehog must hit the right speed
Most animals don’t run through loops. Sonic would need the physics behind roller coasters and race cars to clear one.
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Setting goals, with science!
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Putting vampire bats on treadmills revealed an energy-burning quirk
A mini gym for bats shows that vampire bats burn amino acids, rather than the carbs or fats other mammals rely on during exercise.
