Imagine a drop of ancient resin. Inside is an insect, trapped for 53 million years, so well preserved it looks like it might twitch back into life. These amber fossils offer us a breathtaking glimpse into long vanished ecosystems. But there’s a catch: the most revealing details, like delicate mouthparts or microscopic genitalia, are sealed away under the resin’s glossy surface. Cutting into them would destroy what makes them precious.

Enter the SOLEIL synchrotron.