Chemistry
- Chemistry
Color-changing polymer maps fingerprints
Tiny beads of sweat may offer new way to identify people’s fingerprints.
- Chemistry
How urine will get us to Mars
A new recycling system turns pee into drinking water and energy, a small step toward really long-term space travel.
- Chemistry
This is what happens when you pee in the pool
Swimming pools are basically chemical toilets, but here’s why I’ll keep swimming.
- Science & Society
Stone throwers might toss fingerprints into police hands
An Israeli police lab is studying methods to develop fingerprints on rock to identify stone throwers.
- Chemistry
Milk protein a potential flame retardant
Protein found in milk offers a nontoxic way to extinguish fabric fires.
- Earth
Age of Earth’s crust confirmed
Decaying atoms traced in zircon uphold dating of Earth's crust at about 4.374 billion years old.
- Tech
Creature power
Biological fuel cells that generate electricity by harnessing sugars and oxygen in the body may one day power implanted devices in humans and other animals.
- Chemistry
X-rays uncover hidden faces in Rembrandt painting
Lead paint under the surface of the work gives away the artist’s indecisiveness.
- Math
Goldberg variations: New shapes for molecular cages
Scientists have figured a way to iron out the wrinkles in a large class of molecular cages.
- Chemistry
Carbon monoxide junked for making plastic
Using a catalyst, chemists can swap in the less dangerous carbon dioxide.
- Chemistry
Swapping electrolytes could prevent big battery fires
Researchers now say they have designed a nonflammable lithium ion battery that is as effective as what is already in use.
- Chemistry
Battery blueprint promises green energy storage
A device that relies on organic molecules could cheaply bank power from renewable sources.
