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Teresa Carey is a former senior staff writer at Freethink.
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Denim is a dirty business, but biotech bacteria are cleaning it up
The indigo dye in denim is problematic because it is derived from petroleum. But a new startup is cultivating bacteria that generate the same iconic blue, without the need for hazardous chemicals.
Moving endangered species could save them — or turn them into invasive species
As climate change destroys ecosystems, some scientists propose helping animals pack up their bags and move to more hospitable parts of the world. But helping animals migrate is a complicated and fraught task. Now, some scientists want to lay the ground rules for assisted colonization, before the animals become refugees.
This machine can turn agricultural waste into fuel
Dumping and burning agricultural waste causes pollution and contributes to climate change. An India-based startup called Takachar promises to turn the problem into profits.
Free database to 107 million research papers released online
The General Index is a searchable database of keywords and brief sentences from publications that anyone may use to navigate scientific knowledge locked behind paywalls.
Climate transparency is about to get real with this independent database
A new independent database uses satellite data and AI to track global greenhouse gas emissions in near real-time, boosting climate transparency.
Scientists relieve depression with magnetic brain stimulation
Researchers at Stanford University believe they've developed an effective and quick-acting technique to treat challenging cases of depression — using magnetic brain stimulation.
Solar energy is about to get a whole lot cheaper
Bottlenecks in the production of silicon thwart solar panel manufacturing. Some companies are turning to perovskite instead.
Package free store offers work for neurodiverse employees
Opening in North Carolina, Part & Parcel is a package free grocery store that strives to decrease single-use packaging waste and offer inclusive employment.
Wireless power demonstration overcomes a major hurdle
Engineers have made optical beaming work in a proof-of-concept experiment. Their demonstration showed that wireless power could be just around the corner.
Billionaire plans to build a block-chain Facebook alternative
Billionaire entrepreneur Frank McCourt is funding Project Liberty, a new blockchain-based technology that decentralizes users’ social media data.