Engineering Design
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Materials Science
A new hydrogel could help pull drinking water from the air
The salty gel absorbs more water from the air than similar gels, even in desert climates. This could provide clean water for drinking or farming.
By Laura Allen -
Science & Society
These teens are using science to make the world a better place
Finalists in the 2023 Thermo Fisher Scientific Junior Innovators Challenge are doing projects that aim to help others.
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Earth
Analyze This: Tropical forests have gotten patchier
Although many of the world's forests have gotten less fragmented since 2000, tropical forests have gotten more chopped up, putting animals at risk.
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Tech
New tech 3-D prints ouchless COVID-19 vaccine patches
A new compact 3-D printer can produce COVID-19 vaccine patches. These are less painful than the jab and can be stored more easily than liquid vaccines.
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Tech
Talking through a tube can trick AI into mistaking one voice for another
Researchers crafted tubes that can trick AI into mistaking one person’s voice for another’s. Bad guys could use such tricks to hack into accounts.
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Animals
Adult corals have been frozen and revived for the first time
Living corals could be frozen for safekeeping. Scientists could later revive them to restore reef ecosystems that are withering in warming seas.
By Nikk Ogasa -
Tech
AI can now turn blurry thermal vision into crisp images
Even when it’s pitch black, the new imaging system can create clear images while also accurately gauging distances to objects.
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Tech
Could Star Trek replicators exist?
Experts break down what’s possible and what’s not for this classic science-fiction invention.
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Tech
Nanobots can now enter brain cells to spy on what they’re doing
Fleets of advanced versions may one day be able to detect disease and then go about surgically treating it — without ever opening the skull.
By Nikk Ogasa -
Materials Science
Made from fungi, this vegan leather can self-heal holes or rips
If made under gentle conditions, leather formed from the “roots” of mushrooms can retain the ability to regrow and repair minor damage.
By Jude Coleman -
Tech
This electronic bandage sterilizes wounds with flashes of light
Dentists have sterilized medical equipment with ultraviolet-C light for years. Applying this tech to bandages had proven a challenge — until now.
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Tech
Gravity ‘batteries’ might help a weighty renewable-energy problem
To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.