On a similar note: in "Prehistorik Road Trip", paleontologist Eileen Grogan remarks that shark fossils have a very characteristic smell. That's a human nose, ta

On a similar note: in "Prehistorik Road Trip", paleontologist Eileen Grogan remarks that shark fossils have a very characteristic smell. That's a human nose, talking about 323 million year old fossils. Dogs being able to detect much more recent things does not surprise me at all [0] https://www.pbs.org/video/welcome-to-fossil-country-mpoq6h/ https://www.pbs.org/video/welcome-to-fossil-country-mpoq6h/ (around the 18:50 mark)