Uncategorized
- Chemistry
Why once-gold ceilings in Spain’s Alhambra palace have purple stains
Moisture infiltrated flawed gilding at the iconic palace, leading to corrosion that deposited gold nanoparticles of the right size to appear purple.
- Climate
How to make recyclable plastics out of CO2 to slow climate change
Companies are turning atmospheric CO2 from smokestacks and landfills into plastics to shrink their carbon footprint.
- Climate
A carbon footprint life cycle assessment can cut down on greenwashing
As companies try to reduce their carbon footprint, many are doing life cycle assessments to quantify the full carbon cost of their products.
- Animals
DNA reveals donkeys were domesticated 7,000 years ago in East Africa
When and where donkeys were domesticated has been a long-standing mystery.
