Climate change drove reptile evolution

Fast climatic shifts due to global warming coincided with high rates of morphological change in most reptiles.

Juan Siliezar • harvard
Aug. 29, 2022 • ~6 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 • ~7 min

Tiny teeth tell the story of two fish species’ rapid evolution

Based on close examination of thousands of fossilized fish teeth, a Harvard researcher found that, while the asteroid impact that killed off the dinosaurs did lead to the extinction of some fish species, it also set the stage for two periods of rapid evolution among marine life.

Peter Reuell • harvard
Nov. 16, 2018 • ~7 min

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