Chemistry
- Chemistry
Making 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.
- Health & Medicine
These bubbles treat wounds
New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.
- Chemistry
Got 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.
- Chemistry
Trio 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.
- Chemistry
A 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.
- Planets
Picture 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.
- Environment
Nanosilver: 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.
- Chemistry
Bacteria 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.
- Chemistry
Secret to rose scent surprises scientists
Scientists discovered the molecular tool that roses use to make fragrance. And it wasn’t what they expected.
- Chemistry
Taking 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.
- Chemistry
News 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.
- Chemistry
The 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.
