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"cambrian"

What on Earth Made These Perfect Fossil Rings?

What on Earth Made These Perfect Fossil Rings?

See these annular structures? They are 492 million years old and come from Wisconsin. Here are some more. Was there a severe shortage of beer coasters in Cambrian Wisconsin?

February 18, 2015 — Jennifer Frazer

Two-Billion-Year-Old Fossils Reveal Strange and Puzzling Forms

To a human, two billion years is an unfathomable interval. But that, a team of European, Gabonese, and American scientists now say, is how long ago a recently discovered hoard of fossils suggests Earth’s first big life evolved — large enough to see with the naked eye, and in a spectrum of forms that tease [...]

January 29, 2015 — Jennifer Frazer
500-Million-Year-Old Brains and Life in the Universe

500-Million-Year-Old Brains and Life in the Universe

A new study provides substantial support for earlier claims of 520-million-year-old arthropod brain systems, raising interesting questions about the nature of brains, life and intelligence in the cosmos

November 13, 2015 — Caleb A. Scharf