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This is the science podcast for January 8th, 2026.

I'm Sarah Crespi.

First this week, a quest to find Leonardo da Vinci's DNA. Contributing correspondent Richard Stone is here to talk about what researchers hope to learn from

Leonardo's genes and the new field of art omics.

Next on the show, new evidence for poisoned arrows from 60,000 years ago complicates our

picture of hunting during the Pleistocene. Researcher Sven Ezekson joins me to discuss the

discovery of poisonous residues on microliths. These are tiny work stone points used on arrows

and an ancient rock shelter in South Africa.

Artomics is a growing field that brings together the latest science, from physics to microbiology to ancient DNA, with art history and preservation.

The idea is to learn more about art from the past and the people that made it.

This week in science contributing correspondent Rich Stone wrote about a broad collaboration,

trying to bring these new tools to bear on the works of Leonardo da Vinci.

Hi, Rich.

...