Did Medieval Artists See Real Dinosaurs?
A few years ago I visited Carlisle Cathedral, a very old church in northern England. I’d seen pictures of medieval carvings from this church that looked like dinosaurs.1 How could this be, unless the artists somehow saw the dinosaurs they carved? Maybe they weren’t dinosaurs after all. I thought a closer look might help me decide.
Scientists Marvel at Seaweed's Living Opals
A common seaweed called rainbow wrack grows along Europe’s coasts, including tidal rock pools in the UK. Deep inside its cells, this marine plant uses oily chemicals to make opal look-alikes—“living opals.” This discovery intrigues nanotechnologists.
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