Tech

Climate change is erasing humanity’s oldest art

Enlarge / Detailed rock-art recording by ARKENAS archaeologist in Maros-Pangkep. (credit: Adhi Agus Oktaviana) The limestone caves and rock shelters of Indonesia’s southern Sulawesi island hold the oldest traces of human art and storytelling, dating back more than 40,000 years. Paintings adorn the walls of at least 300 sites in the karst hills of Maros-Pangkep, […]

Tech

Study blames Earth’s magnetic field flip for climate change, extinctions

Enlarge / The massive trunk of a kauri tree can remain intact for tens of thousands of years. (credit: W. Bulach / Wikimedia) The Earth’s magnetic field helps protect life from energetic particles that would otherwise arrive from space. Mars now lacks a strong magnetic field, and the conditions on its surface are considered so […]

Tech

This painted pig is the world’s oldest figurative art

Enlarge (credit: Brumm et al. 2021) A pig painted on the wall of an Indonesian cave is the world’s oldest figurative art—that is, it’s the oldest known drawing of something, rather than an abstract design or a stencil. The 45,500-year-old ocher painting depicts a Sulawesi warty pig, which appears to be watching a standoff between […]