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- Researchers identify previously unseen structure in the human heartAn author of an opinion piece reports that a close visual inspection of the heart revealed a previously unrecognized anatomical structure. The discovery was made without new imaging technology, sim…
- Former CDC investigator warns that gaps in public-health readiness leave the U.S. vulnerable to future biothreatsDaniel Jernigan, a former CDC scientist who helped investigate the 2001 anthrax mailings, reflects on the lessons learned two and a half decades later. The anthrax letters, sent from New Jersey to…