Chemistry
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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.
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ChemistryNews Brief: Common campfire style is still the best
Humans tend to build fires in the same way, in a pyramid as tall as it is wide. New calculations show this shape burns hottest.
By Beth Mole -
ChemistryThe science of getting away with murder
A student took her love of crime shows to the next level. She did a science fair project to find out which cleaner works best at getting rid of bloody evidence.
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ChemistryScientists Say: Ion
Some atoms and molecules have a positive or negative electrical charge. These are called ions.
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ChemistryCool Jobs: Saving precious objects
Museum conservators are experts at protecting and restoring precious objects. Along with art or history, many also have studied chemistry, physics, archaeology or other scientific fields.
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ChemistryHow sweat might make you smell sweeter
A new scent-delivery system ensures that the more you sweat, the more perfume it releases. In fact, it only works in contact with moisture.
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ChemistryForm some bonds with a chemistry card game
A new game can make aspects of learning chemistry fun. Pair charged elements together to create neutral compounds. Win points in the process.
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ChemistryNews Brief: Wash removes nano germ-killers
Manufacturers coat many fabrics with silver nanoparticles to kill bacteria. But when those items get laundered it can be bye-bye germ killers.
By Beth Mole -
ChemistryCooking up life for the first time
The basic components for life could have emerged together nearly 4 billion years ago on the surface of Earth, chemists report.
By Beth Mole