Science
Trace fossils, the most inconspicuous bite-sized window into ancient worlds – Ars Technica
“One animal could have made thousands of traces during its lifetime, but only left one skeleton.”

Enlarge/ It may not look like much, but you can actually learn a lot from a fossilized leaf that preserves insect damage.
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He knew what it was as soon as he saw it: the signature sign of a bird landing. Hed seen hundreds of…
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