Quirks and Quarks

Earth's future, Driving with no hands, Looking for aliens

Three new books explore this planet's long-range future, where driving is headed and where we should look for aliens.
NASA's Lunar Reconnaissance Orbiter (LRO) recently captured a unique view of Earth from the spacecraft's vantage point in orbit around the moon. In this composite image we see Earth appear to rise over the lunar horizon from the viewpoint of the spacecraft. (NASA )