Q. I have read that ginkgo trees can live for hundreds of years. Is this true, and what makes them so unusual? Why are they called “living fossils”? A. Modern ginkgoes belong to a single species of ...

“Ginkgo day is a good day,” said a passerby, gazing at the ginkgo tree outside Carnegie Science Hall as it commenced its annual leaf drop last Thursday. The morning was below-freezing and crisp, so it ...