Kristina Killgrove's Articles

Articles by Kristina Killgrove

5,500-year-old human skeleton discovered in Colombia holds the oldest evidence yet that syphilis came from the Americas - Live Science

Health January 24, 2026

The world's oldest evidence of Treponema pallidum, the bacterium that causes syphilis and several chronic skin infections, has been found in a 5,500-year-old skeleton buried in a rock shelter in Co�...

Volcanic eruption triggered 'butterfly effect' that led to the Black Death, researchers find - Live Science

Health December 6, 2025

An unknown volcanic eruption in the mid-14th century may have set the stage for the spread of the Black Death in Europe, according to a new study. By triggering a cool and overcast period in the Me�...

Kristina Killgrove

Articles by Kristina Killgrove

5,500-year-old human skeleton discovered in Colombia holds the oldest evidence yet that syphilis came from the Americas - Live Science

Volcanic eruption triggered 'butterfly effect' that led to the Black Death, researchers find - Live Science

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