Science

Polymer coating cools buildings

[ad_1] When exposed to the sky, the PDRC porous polymer layer reflects sunlight and emits heat to reach significantly lower temperatures than typical building materials or even ambient air. Credit: Jyotirmoy Mandal …

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Killer whale threat to PCBs

[ad_1] Most people thought that the problem of polychlorinated biphenyls – known as PCBs – had been solved. Some countries started to ban toxic chemicals in the 1970s and 1980s, and global …

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