Here’s what happened the day the dinosaurs died: An impact calculator helps scientists paint a vivid picture of the immediate aftermath of the deadly asteroid strike. What would happen if we lost one-sixth of Earth’s species? We may just find out. Most species that disappear today will leave no trace in the fossil record. Snails are going extinct: Here’s why that matters. Joanna Klein on frogs that escaped extinction. How good are we at saving animals from extinction? Matthew Schneider-Mayerson reviews Extinction: A Radical History by Ashley Dawson (and an excerpt). Is intentional extinction ever the right thing? Edward O. Wilson on the global solution to extinction. Welcome to CRISPR’s gene-modified zoo: Birds and bees are just the beginning for this animal-altering technology. Hillary Rosner on tweaking genes to save species. Jurassic pigeon: Bringing extinct animals back to life is now within our grasp. The Jurassic Park science to bring back dinosaurs is almost here.
