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New additive process can make better — and greener — high-value chemicals

Researchers have achieved a significant breakthrough that could lead to better — and greener — agricultural chemicals and everyday products. Using a process that combines natural enzymes and light, the team developed an eco-friendly way to precisely mix fluorine, an important additive, into chemicals called olefins — hydrocarbons used in a vast array of products,

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New understanding of fly behavior has potential application in robotics, public safety

Scientists have identified an automatic behavior in flies that helps them assess wind conditions — its presence and direction — before deploying a strategy to follow a scent to its source. The fact that they can do this is surprising — can you tell if there’s a gentle breeze if you stick your head out

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A rare form of ice at the center of a cool new discovery about how water droplets freeze

Researchers explain a new mechanism for ice formation. Ice can form near the free surface of a water droplet via small precursors with a structure resembling ice 0. These are readily formed by negative pressure effects due to surface tension, creating ring-like structures with the same characteristics as ice 0, which act as seeds for

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Artificial blood vessels could improve heart bypass outcomes

3D-printed blood vessels, which closely mimic the properties of human veins, could transform the treatment of cardiovascular diseases. Strong, flexible, gel-like tubes — created using a novel 3D printing technology — could improve outcomes for heart bypass patients by replacing the human and synthetic veins currently used in surgery to re-route blood flow, experts say.

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