HS-PS1-2
Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
- Chemistry
Newfound ‘anti-spice’ compounds tame chili peppers’ heat
Five compounds make some chili peppers taste less spicy than others. Scientists are still figuring out why.
- Chemistry
Experiment: How to keep fruit slices fresh
Let’s explore why fruit tends to brown over time and how to keep it looking fresh.
- Chemistry
Teen chemist uncovers potentially harmful preservatives in pet food
Thermo Fisher JIC finalist Mackensey Wilson measured levels of a chemical called BHT in three pet food brands.
- Health & Medicine
Scientists Say: THC
The active chemical in marijuana might have some medicinal value. But studies point to THC's potential risks, especially for teens.
- Health & Medicine
Skin appears to be no barrier for some common ‘forever’ chemicals
These PFAS, which have been linked to health problems, show up in many products that we touch every day — including clothes and food packaging.
- Climate
Stashing more CO2 in the ocean could slow climate change
More research is needed on ways to safely remove some CO2 from the water to make room for more — such as by seaweed farming and iron fertilization.
- Materials Science
New lab trick makes diamonds without extreme pressure
The lab-grown diamonds form in a liquid of gallium, iron, nickel and silicon.
- Chemistry
Experiment: How to make the boldest, brightest tie-dye!
Clothes are made from a variety of fibers, from natural to synthetic ones. Let’s explore how different fibers react with dyes.
- Chemistry
Turning jeans blue with sunlight might help the environment
When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.
- Tech
Artificial intelligence helped design a new type of battery
Supercomputing and AI cut the early discovery steps from decades to just 80 hours. The process led to a new solid electrolyte.
- Health & Medicine
9 things to know about lead’s health risks — and how to curb them
Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.
- Earth
The weird sky glow called STEVE is really confusing scientists
Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.
