科学与环境
First in-depth map of 'forever chemicals' in the Finger Lakes created
来源: Phys.org - latest science and technology news stories · 发布于
In 2023, professor Damian Helbling was getting a lot of calls and emails from local residents. The Environmental Protection Agency (EPA) had just announced regulations to limit per- and polyfluoroalkyl substances (PFAS)—some of which have been linked to cancers and other negative
In 2023, professor Damian Helbling was getting a lot of calls and emails from local residents. The Environmental Protection Agency (EPA) had just announced regulations to limit per- and polyfluoroalkyl substances (PFAS)—some of which have been linked to cancers and other negative health effects—in drinking water. Ithacans and others in the region wanted to know about levels in the ponds, lakes, streams and creeks in their proverbial backyards.
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First bacterial galactose oxidase expands toolkit for greener drug and food ingredient production
To produce pharmaceuticals, food ingredients, and flavors and fragrances, it is often necessary to oxidize alcohols. In conventional chemistry, this transformation typically relies on harsh oxidants and elevated temperatures and generates toxic waste.
Phys.org - latest science and technology news stories ·
First dinosaur bone from Antarctica found in a drawer
The fossil, collected in Antarctica in 1985, is part of the tail of a beast called a Titanosaur.
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Fossil identified as first dinosaur ever found in Antarctica
Argentinian geologist Eduardo Olivero became the first scientist to find the remains of a dinosaur in Antarctica in 1986.
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What did the Liberty Bell sound like? Science is on the case.
The Liberty Bell , with its famous crack, hasn't been rung in 180 years, but that hasn't stopped scientists from pondering what the bell might have sounded like when tolling. In honor of the nation's 250th anniversary, researchers at Penn State University have modeled its acousti
Ars Technica - All content ·
Uber begins self-driving robotaxi trial in Manchester
Company hails first step in rolling out technology across UK as first autonomous vehicles take to city’s streets Uber has begun a trial of autonomous vehicles on the streets of Manchester as it looks to bring robotaxis to cities around the UK. The first self-driving cars are oper
Business | The Guardian ·