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“Spotlight” on Magnetic High Entropy Alloys

Researchers in the Physics Department of Georgetown University have demonstrated a novel approach to achieve strong magnets using high entropy alloys, without relying on the traditional ingredients of rare-earth elements.

September 11, 2024

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“All of us urgently need to band together to pass a robust and just earth to future generations,” says eminent environmental lawyer Edith Brown Weiss

An article in Environmental Policy and Law reviews important developments in implementing the Planetary Trust

August 13, 2024

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Museum genomics provide insight into the extinction of a specialist North American warbler species

We examined mitochondrial DNA (mtDNA) and genome-wide SNPs using specimens collected from breeding and migration sites across the range of the Bachman’s warbler. We found no signals of strong population structuring across the breeding range of Bachman’s warblers in both mtDNA and genome-wide SNPs. Thus, long-term population isolation did not appear to be a significant contributor to the extinction of the Bachman’s warbler. Instead, our findings support the theory that Bachman’s warblers underwent a rapid decline likely driven by habitat destruction, which may have been exacerbated by the natural rarity, habitat specificity and low genetic diversity of the species.

July 31, 2024