Deep history and the robot future

                       I reviewed four new science books for The New York Times. They span millions of years, beginning with the birth of humanity and ending with a serious look at...

It’s all in the wrist

More evidence that the hobbit, a newly discovered human-like species that grew to only a meter in adulthood, is actually a separate species. Critics suggested that the hobbit, found on the Indonesian island of Flores, was not a separate species but a deformed human. A...