Engineering Design
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EnvironmentOld clothes soon may be recycled, not trashed
One day, clothes may be recycled almost as much as plastics and glass are now. See how chemists are moving us in that direction.
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SpaceWhy Arecibo’s loss is such a big deal for astronomy
Damage to the radio telescope in Puerto Rico has robbed scientists of a special tool for studying everything from asteroids to galaxies.
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PlantsHow to grow your own science experiment
Does fertilizer help plants grow better? You might expect it to, but how can you know? This experiment will help you test it yourself.
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SpaceStar of science and movies, the Arecibo radio telescope is dead
Broken cables led to catastrophic damage of its history-making dish. The U.S. National Science Foundation will now dismantle what remains.
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ChemistryHere’s how to make flip-flops biodegradable
Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.
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TechNew device tells smiles from frowns — even through a mask
Most facial-recognition software has to see the whole face to work. The new type can reconstruct an entire expression from just viewing your cheeks.
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AnimalsAround the world, birds are in crisis
Human activities around the world are threatening bird species. Numbers of even some of the most common species are starting to fall.
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Health & MedicineThird major vaccine shows great promise against COVID-19
This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.
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TechThis artificial skin feels ‘ghosts’ — things you wish were there
Engineers have developed a wearable device that simulates the sense of touch. It may benefit robotic surgery and deep-sea exploration.
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Health & MedicineModerna vaccine for COVID-19 appears nearly 95 percent effective
A second coronavirus vaccine appears super effective in preventing people from being sickened by COVID-19.
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TechComputers are changing how art is made
Some people have challenged the idea that artificial intelligence can be creative. But new software can provide inspiration to artists or fully partner with them in the creative process.
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Health & MedicineNew Pfizer vaccine appears 90 percent effective against COVID-19
Preliminary finds show one of the new coronavirus vaccines appears 90 percent effective at reducing symptomatic COVID-19 infections.