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Rethinking Fossils

Every time a new fossil turns up, a theory quakes. New evidence can subject a theory to the falsification test.
Monarch butterfly on flower

Design of Life Update: Butterflies

Illustra Media’s trilogy of documentaries only began to uncover the wonders of life. Here are updates on the series’ featured animals, this one on butterflies. Watch an amazing time-lapse video of butterfly wings developing in the chrysalis made by Nipam Patel of University of California at Berkeley. His lab assistant was able to extract tissue […]

Chicxulub Crater Reports Begin

Scientists who drilled into the large crater in southern Mexico have started interpreting the cores.

Insects Worth Respecting

Most six-legged creatures are small and we give them little notice. Here are surprises that entomologists are discovering in some very special insects.

Elephants, Mammoths, and Terror: The Ivory Trade Crisis

Terror organizations are slaughtering elephants at alarming rates to sell the ivory in Asia and buy weapons. What to do?

Freedom: The Best Conservation Strategy

Do-gooder environmentalists trying to save the Amazon rainforests make the problem worse.

Monarch Butterflies Do Not Have to Migrate

When 101 butterfly genomes were compared, there were surprises.