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Were Dinos On Their Way Out Before The Asteroid Hit? Maybe Not

Two new studies suggest that, contrary to longstanding beliefs, dinosaurs were not on the decline before the Chicxulub asteroid impact.

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November 7, 2025

Two new studies suggest that, contrary to longstanding belief, dinosaurs were not on the decline before the Chicxulub asteroid impact. Plus, a giant infrastructure project aims to block invasive carp from entering Lake Michigan, but Chicago’s polluted water already keeps them out. And, Lake Xochimilco in Mexico City is the only place where axolotls live in the wild, and they face growing threats.

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A Peek at the Possibilities of Biodesign

An air purifier filled with spider webs, a toilet insert that filters estrogen, a cactus-like water harvester—these were just a few of the ambitious and creative ideas presented at the first Biodesign Challenge, which took place on June 23, 2016.

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