Science needs myths to thrive

I can still remember the horror of discovering that everything I had worked on was wrong. I was a Ph.D. candidate just starting my second year, and my supervisor and I had developed a test for rheumatoid arthritis which seemed ...

Ancient die-off greater than the dinosaur extinction

Clues from Canadian rocks formed billions of year ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago, when Earth lost nearly three-quarters of ...

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