Featured series 
Tag: Javier Ortega-Hernández
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Nation & World
500-million-year-old fossil reveals new secrets
A new discovery, named Megasiphon thylakos, offers surprising insights on the evolution of tunicates.
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Nation & World
With a tip of hat to Stephen Jay Gould
Research done at Harvard unveils only the second “weird wonder” fossilized Opabinia, first popularized by the late evolutionary biologist.
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Nation & World
A big discovery of a tiny critter
Discovery in 16-million-year-old amber is the third species of water bear ever found.
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Nation & World
Viewing flattened fossils in a new light
Harvard and Chinese scientists study Cambrian fossils using micro-CT and 3D models.
