Chemistry
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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 -
ChemistryGoopy tech leaves older 3-D printing in its wake
A new way of 3-D printing combines light and oxygen to create solid objects from liquid resin. The method quickly creates detailed objects.
By Beth Mole -
ChemistrySilencing genes — to understand them
Hijacking a cell process called RNA interference can let scientists turn off a selected gene. Its silencing can point to what genes do when they’re on — and may lead to new treatments for disease.
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ChemistryScientists Say: Fulgurite
When lightning strikes in the right place, it can fuse minerals together in a glassy structure.
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ChemistrySunglasses on demand
Plastics that conduct electricity let new color-changing sunglasses go from dark to light and back again at the tap of a switch. The shades could come in a range of colors too.