NEW YORK (GenomeWeb News) – Fitch Ratings today downgraded its long-term issuer default rating on Thermo Fisher Scientific to 'BBB' from 'BBB+' and assigned a 'BBB' rating to Thermo Fisher's proposed senior notes, which have yet to be priced.

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Direct-to-consumer genetic testing companies have offered to test families separated at the southern US border, but that raises ethical issues.

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The New York Times reports on a project to develop a tree DNA database to uncover illegal logging.

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