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Consumer Safety

FDA bans 7 synthetic food flavorings

Agency responds to evidence that chemicals can cause cancer in animals

Restrictions lowered for cannabis-derived drug

DEA reschedules Epidiolex, an FDA-approved cannabidiol treatment for rare seizure disorders

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Solar Power

Stabilizing perovskite solar cells

Replacing commonly used methylammonium component with formamidinium group and metal ions leads to long lasting device

Mushroomlike nanowires form superstretchy conductive films

A vertical alignment allows gold nanowires to stay in contact even when stretched

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Art & Artifacts

Mapping corrosion with hyperspectral imaging

Scientists develop a noninvasive technique to assess environmental damage to a bronze statue by Auguste Rodin

Metal secrets of CO2 -converting enzyme revealed

Studying oxygen-resistant carbon monoxide dehydrogenase could lead to carbon-capture technologies