Chemistry | TechnologyTangle

Nov 24 • 6 months ago

Why synthetic emerald-green pigments degrade over time

Light is the greatest threat to 19th-century masterpieces like James Ensor's The Intrigue, study finds. ...

{"_":"https://arstechnica.com/science/2025/11/why-synthetic-emerald-green-pigments-degrade-over-time/","$":{"isPermaLink":"true"}}2 min read

Nov 01 • 6 months ago

Neural network finds an enzyme that can break down polyurethane

Given a dozen hours, the enzyme can turn a foam pad into reusable chemicals. ...

{"_":"https://arstechnica.com/science/2025/10/polyurethane-is-the-latest-polymer-broken-down-by-designer-enzymes/","$":{"isPermaLink":"true"}}1 min read

Oct 29 • 7 months ago

The chemistry behind that pricey cup of civet coffee

Fans of kopi luwak claim the coffee has a unique aroma and taste. A new chemical analysis backs them up. ...

{"_":"https://arstechnica.com/science/2025/10/fermentation-is-key-to-coffee-beans-gleaned-from-civet-feces/","$":{"isPermaLink":"true"}}2 min read

Aug 20 • 9 months ago

Betel nuts have been giving people a buzz for over 4,000 years

Ancient teeth reveal that a stimulant has been used since the Bronze Age. ...

{"_":"https://arstechnica.com/science/2025/08/ancient-teeth-show-people-were-getting-high-off-betel-nuts-4000-years-ago/","$":{"isPermaLink":"true"}}1 min read

Jul 30 • 10 months ago

Is Roman concrete more sustainable? It’s complicated.

Roman concrete produces as much, if not more, CO2 as modern concrete, fewer air pollutants. ...

{"_":"https://arstechnica.com/science/2025/07/is-roman-concrete-more-sustainable-its-complicated/","$":{"isPermaLink":"true"}}2 min read