Chemistry

  1. Plants

    A single particle of light can kick off photosynthesis

    In a new experiment with bacteria, a lone photon sparked the process of turning light to chemical energy.

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  2. Chemistry

    Experiment: Test the effect of temperature on reaction time

    Alka-Seltzer tablets fizzle furiously when dropped into water. Can you make Alka-Seltzer fizz faster or more loudly by changing the water’s temperature?

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  3. Physics

    Scientists Say: Explosion

    Explosions happen when chemical or nuclear reactions blow out a lot of heat, noise and expanding gas.

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  4. Health & Medicine

    New patch might replace some finger-prick testing of blood sugar

    A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.

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  5. Chemistry

    This forensic scientist is taking crime science out of the lab 

    Kelly Knight uses her past struggles and passion for forensics to inspire her students.

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  6. Chemistry

    Experiment: Keep your candy cool with the power of evaporation!

    In this science project, use the energy produced when water evaporates to cool down chocolate-covered candy so it doesn't melt.

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  7. Chemistry

    Scientists Say: PFAS

    Non-stick coatings, stain-resistant cloth and other common materials leach long-lived PFAS into soil and water.

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  8. Tech

    A new solar-powered gel purifies water in a flash

    The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.

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  9. Chemistry

    Chemists have unlocked the secrets of long-lasting Roman concrete

    By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.

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  10. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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  11. Materials Science

    Let’s learn about the weird science of ice

    Better understanding of ice could lead to new deicing materials or even, someday, weather control.

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  12. Chemistry

    Scientists Say: Rubisco

    Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.

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