#2872: Hydrothermal Vents
Benthic Santas weren't even discovered until the 1970s, but many scientists now believe Christmas may have originally developed around hydrothermal vents and only later migrated to the surface.

Monday, December 25, 2023
Download archive
All material contained herein © Randall Munroe (license)
Site layout, design, and code © 2024 Sean Helling