Engineering Design
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Chemistry
Rock Candy Science 2: No such thing as too much sugar
Making rock candy at home takes a lot more sugar than you might think. Why? This experiment will show you why.
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Tech
Here’s one way to harvest water right out of the air
Need water but you have no access to rain, lakes or groundwater? Materials known as metal-organic frameworks could be used to slurp that water from the air, new data show.
By Sid Perkins -
Health & Medicine
Six foot social-distancing will not always be enough for COVID-19
To avoid COVID-19, keeping a 6-foot social distance is a good rule of thumb. But for plenty of instances, that might not be nearly far enough.
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Environment
Legos could last a disturbingly long time in the ocean
By looking at toys washed up on beaches, scientists have estimated how long it takes hard plastics to break down in the oceans. And it’s a long time.
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Chemistry
Batteries should not burst into flames
Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.
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Health & Medicine
Antibodies from former COVID-19 patients could become a medicine
The experimental treatment uses antibodies from the blood plasma of COVID-19 survivors. It may prevent disease in other people or help treat the sick.
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Health & Medicine
New ultrasound treatment kills off cancer cells
Low-frequency ultrasound destroys cancer cells while leaving most healthy cells intact.
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Environment
Greener than burial? Turning human bodies into worm food
Composting human bodies yielded good results — and good soil — in one small study. It could become an alternative to burial or cremation in one state.
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Materials Science
Silk can be molded into strong medical implants
Freeze-dried and powdered silk has a long shelf life. It also is cheap to ship and can be molded into sturdy medical implants.
By Sid Perkins -
Physics
Try This: Walking on water with science
Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.
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Physics
Soap bubbles’ ‘pop’ reveals the physics of the bursts
A bubble’s pop is a quiet, high-pitched noise. This can reveal the forces that occur during the bubble’s demise.
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Science & Society
COVID-19: When will it be safe to go out again?
No one yet knows when social distancing can end. Experts explain we need 'herd immunity,' which won't be easy and may come at a horrific cost.