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How night lizards survived the asteroid that ended the dinosaurs

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected evolutionary survival traits. Night lizards (family Xantusiidae) survived the Cretaceous–Paleogene (K-Pg) mass extinction event 66 million years ago (formerly known as the K-T extinction) despite having small broods and occupying limited ranges, a departure from the theory of how other species are thought to have persisted in the aftermath of the event.

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Saturday Citations: Upside-down sharks; brain network functioning in psychopaths; IQ associated with better predictions

This week, biologists discovered a new cellular organelle that's like "a new recycling center within the cell." Wild-growing tomatoes in the Galápagos are de-evolving. And geologists at the University of Southampton detected deep Earth pulses beneath Africa. Plus: Brain network functionality differs in people with psychopathic personality; sharks have a surprising vulnerability; and people with the highest measured IQ make better probabilistic predictions than people with the lowest IQ.

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