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Why insomnia provokes performance anxiety that keeps you awake
Anxiety about sleep can be self-perpetuating. When the effort to sleep backfires, we feel even more desperate, resulting in more arousal.
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The plastics we breathe
Every time you take a breath, you could be inhaling microplastics. See how tiny and dangerously invasive they can be.
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Biden seeks to boost climate-friendly flying
The new guidance is designed to help boost the production of sustainable aviation fuel — a key strategy to reduce emissions for U.S. air travel.
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Lead pollution from small planes threatens human health, EPA finds
The EPA took the first step toward regulations aimed at reducing lead exposure from plane fuel, a potential health benefit for people near smaller airports.
