Chemistry
- Science & Society
‘Prisoners, Lovers, and Spies’ reveals the secrets of invisible ink
Kristie Macrakis takes readers on a tour of invisible ink’s history and the need to hide information, from the earliest empires to the Internet age.
- Planetary Science
Moon’s origins revealed in rocks’ chemistry
A new chemical measurement of rocks from Earth and from the moon supports the giant impact hypothesis, which explains how the moon formed billions of years ago.
- Genetics
Bromine found to be essential to animal life
Fruit flies deprived of the element bromine can’t make normal connective tissue that supports cells and either don’t hatch or die as larvae.
- Chemistry
Decay of Leonardo da Vinci drawing reflected in light
Light that bounces off a Leonardo da Vinci drawing, widely considered a self-portrait, has revealed extensive chemical damage that causes yellowing.
- Chemistry
Bacteria take plants to biofuel in one step
Engineered bacterium singlehandedly dismantles tough switchgrass molecules, making sugars that it ferments to make ethanol.
- Materials Science
Jets of salty water make cellulose strands stronger
When blasted by jets of water, nanoscale fibers of cellulose align to form ultra-tough strands that rival the strength of steel, a new study shows.
- Paleontology
Dinosaurs could take tough breaks
Meat-eating dinosaurs may have survived some extremely bad bone breaks, according to detailed chemical maps of the fossils.
- Chemistry
Element 117 earns spot on periodic table
Atoms jam-packed with 117 protons have been produced at a particle collider in Germany, confirming the discovery of a new element.
- Microbes
Viruses buoy life at hydrothermal vents
Using hijacked genes, deep-sea viruses help sulfur-eating bacteria generate power in the plumes of hydrothermal vents.
- 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.
