Chemistry
- Chemistry
Ancient recipes helped scientists resurrect a long-lost blue hue
Led by medieval texts, scientists hunted down a plant and used its fruit to make a blue watercolor with mysterious origins.
- Physics
Let’s learn about bubbles
Bubbles are a great way to while away a beautiful summer day. Knowing a bit of science can help you blow the biggest and the best bubbles.
- Animals
Traces from nuclear-weapons tests offer clues to whale sharks’ ages
Traces left by nuclear-bomb testing in the 1950s and ‘60s can help researchers learn how old a whale shark is.
- Tech
COVID-19 victims could breathe easier with these innovations
Feared equipment shortages due to the COVID-19 pandemic have prompted research teams to develop novel technologies to help oxygen-starved lungs.
- Chemistry
Let’s learn about forensic science
Crime scene investigators analyze evidence with science, to connect criminals to crimes. And it’s often slower and different from what you see on TV.
- Chemistry
Rock Candy Science 2: No such thing as too much sugar
Making rock candy at home takes a lot more sugar than you might think. Why? This experiment will show you why.
- Chemistry
Batteries should not burst into flames
Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.
- Chemistry
Let’s learn about the periodic table
This iconic chart holds information about all the known elements. As more are discovered, the table expands.
- Life
Scientists Say: Enzyme
This word describes a molecule that speeds up chemical reactions in living things. Enzymes work by lowering the energy needed for a reaction to occur.
- Chemistry
Converting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
- Life
Scientists Say: Fermentation
Fermentation breaks down carbohydrates, such as sugars, producing energy and making gases, acids or alcohol. This process can help make foods and fuels.
- Chemistry
Explainer: What the pH scale tells us
The pH scale tells us how basic or acidic something is. Pure water sits in the middle of the scale, at a pH of seven.
