Black-footed ferret standing on top of a dirt field

Close up of an oyster shell on a white background

Close up of a piece of rock with a ruler next to it

Close up of a trilobite fossil on a black surface

Black and white photo of an insect on a white background

Group of people in canoes paddling down a river

Black and white x-ray of a crocodile&#39;s teeth

Fossil of a spider on a rock

Bee perched atop a piece of paper with text and a barcode at the…