Chemistry
- Chemistry
When bitter + bitter = sweet
Two artificial sweeteners lose their bitter aftertastes when combined together. Scientists have just figured out why.
- Chemistry
Scientists Say: Gradient
This is a word used to describe the rate that something changes over a distance or time. Examples include the strength of a smell or the steepness of a mountain.
- Chemistry
U.S. Army is developing high-tech underwear
A new fabric could warm the skin of active soldiers in cold climates. At the same time, it could soak away sweat that might otherwise cause chills.
- Animals
Why are cicadas such clumsy fliers?
Chemical clues in the cicada’s wing may help explain why the bulky insect is a lousy flier.
- Chemistry
Blue light flexes its chem-building muscle
Scientists found a new way to build a strong but bendable blend of polymers. The trick? Expose the ingredients to a beam of blue light.
- Chemistry
Explainer: What are polymers?
Polymers, whether natural or artificial, are big molecules made by linking up smaller repeating chemical units. The most common “backbones” for polymers are chains of carbon or silicon, each of which can bond to four other atoms.
- Chemistry
Specially coated fabric could turn a shirt into a shield
Specially treated fabrics offer a new kind of defense against chemical attacks. It could protect troops — and people living in war-torn nations where chemical weapons may be used.
- Chemistry
Super-chilled imaging technique brings its developers the Nobel Prize in chemistry
Three men who helped develop a super-high-resolution imaging technique for proteins, viruses and more received the 2017 Nobel Prize in chemistry.
- Chemistry
Why onions make us cry
Researchers add another piece to the molecular puzzle biochemists have tried to solve for decades — why onions can make our eyes tear up.
- Chemistry
Scientists Say: Capsaicin
This chemical is produced by pepper plants and gives them their hot flavor.
- Chemistry
Recycling urine may be a way to boost plant growth
A new chemical method makes nutrient-rich fertilizers from human urine.
- Chemistry
Meet the world’s smallest monster trucks
These DNA-scale nano-vehicles surprised chemists. The bonds that hold their atomic building blocks in place grip the wheels more strongly than anyone had expected.
