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...

Gene popsicles

In the Dry Valleys of the Transantarctic Mountains there are pockets of ice up to 8 million years old. Last week, scientists announced that they resuscitated microbes from this ice. If the microbes are as old as the ice, they were around long before humans split from...