MS-PS1-3
Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.
- Materials Science
Beetles offer people lessons in moisture control
Taking tricks from a beetle, researchers are designing surfaces that collect water from the air or resist frost buildup.
By Sid Perkins - Plants
Explainer: Some supplements may not have what it takes
Dietary supplements made from plants may not contain all of the chemicals that usually make a particular plant healthy for humans.
By Janet Raloff - Health & Medicine
Food supplements can make you sick
Drugs must past safety testing before they can be sold. But food supplements don’t have to meet the same standards.
- Brain
To protect kids, get the lead out!
Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.
- Materials Science
Keeping roofs cooler to cut energy costs
Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.
By Sid Perkins - Chemistry
Cool 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.
- Tech
Cool Jobs: Big future for super small science
Scientists using nanotechnology grow super-small but very useful tubes with walls no more than a few carbon atoms thick. Find out why as we meet three scientists behind this huge new movement in nanoscience.
- Health & Medicine
How hot peppers can soothe pain
Peppers can burn the tongue, but soothe sore tissues. Scientists have now sleuthed out how, and the answer shows a role for stretch sensors on cells.
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Cookie Science 13: The deal with gluten
To find out how to improve my gluten-free cookies, I learned a lot about what gluten does, and what other baking ingredients might take its place.
- Chemistry
Chemistry: Green and clean
“Green” means environmentally friendly and sustainable. Green chemistry creates products and processes that are safer and cleaner — from the start.
- Tech
Digital lighting goes organic
An environmentally friendly lighting technology promises not only to save energy but also to transform our indoor environment.
- Animals
Mosquitoes, be gone!
An extract of local seeds in Puerto Rico may be the key to keeping mosquitoes away. It kills the larval insects and repels the biting adults.
By Sid Perkins