Here’s the weekly summary of both new chemistry research and studies that have been in the news. This week features news on how chemical analysis of bear hair can give clues as to their diets, a record for the most efficient single molecule diode, and more. As always links to further articles and original research papers are provided below.

Note: links to studies behind a journal paywall are indicated with (£). Studies without this symbol are open access, and can be accessed and read for free. Asterisked studies are free but require logging in to read.

Featured Stories

Bear hair chemical content reveals their diet: [Article] [Study]

Stretchable holograms can display different images: [Article] [Study (£)]

Very low lead levels may affect golden eagles: [Article] [Study]

The most efficient single molecule diode ever created: [Article] [Study]

‘Molecular prosthetic’ stands in for iron transport: [Article] [Study (£)]

Keep track of older ‘This Week in Chemistry’ posts on the category page, or via the #TWIChem hashtag on Twitter.

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