Chemistry
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ChemistryNews Brief: Rare gem may hold earliest sign of life
This fossil, such as it is, offers no indication of what that life might have looked like. It merely holds carbon in a form typical of the type preferentially collected by living organisms.
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ChemistryMealworms chow down on plastic
Gut bacteria in mealworms break down polystyrene. Feeding plastic to the worms, or the germs they carry, could be a way to get rid of these wastes.
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ChemistryMaking caffeine content crystal clear
Many popular drinks contain caffeine — a stimulant that in high amounts can keep you up at night. One teen is now measuring just how much is in the beverages we drink.
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ChemistryThese bubbles treat wounds
New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.
By Meghan Rosen -
ChemistryGot milk? Do you know what’s in it?
One teen was dismayed to learn milk might host harmful pollutants. This prompted him to use his science fair project as a way to find out just what was in his favorite drink.
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ChemistryTrio gets chemistry Nobel for figuring out DNA repair
Three researchers have won the 2015 Nobel Prize in chemistry for working out how cells fix damaged genetic material.
By Meghan Rosen and Sarah Schwartz -
ChemistryA teen turns an autumn chore into a science project
Many scientists are trying to turn plants into a renewable fuel. One teen decided to help, by extracting sugars from the dead leaves on his lawn.
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ChemistryPicture This: Evidence of liquid water on Mars
Mars hosts surface salt deposits. They appear to come from seasonal water flows on the Red Planet, a new study concludes.
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ChemistryNanosilver: Naughty or nice?
Nanosilver is in many products, from socks to toothbrushes. The tiny particles kill microbes. But it’s still unclear whether they can harm us or the environment.
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ChemistryBacteria become source of ‘greener’ blue jeans
Manufacturing indigo to dye blue jeans now relies on harmful chemicals. But researchers have found a less polluting way to produce the blue tint: bacteria.
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ChemistrySecret to rose scent surprises scientists
Scientists discovered the molecular tool that roses use to make fragrance. And it wasn’t what they expected.
By Beth Mole -
ChemistryTaking chicken off the grill and into the lab
Grilling meat can produce carcinogens. A teen studied how to grill chicken to produce the fewest of these cancer-causing chemicals.