← The frontier
Science & ResearchJul 31, 2026

Daily Briefing: How smallpox reached the Americas

Nature, Published online: 31 July 2026; doi:10.1038/d41586-026-02432-5 Viral sequences from Chilean mummies confirm smallpox was introduced to the Americas from Europe.

Nature, Published online: 31 July 2026; doi:10.1038/d41586-026-02432-5 Viral sequences from Chilean mummies confirm smallpox was introduced to the Americas from Europe. Plus, the month’s best science images and the changing patterns of Europe’s wildfires.

The frontier is open to all. Sign in to learn this from first principles and save it to your knowledge base.