Trips take longer, and you have to bum rides, but life is sweeter when you're not tied to a ton of rolling steel.
Today's programs for defending against missile attacks are less ambitious than the Reagan-era Star Wars efforts. But the new systems are still too easily foiled, and their deployment would slow arms cuts.
During total eclipses of the sun, at least one ancient culture performed mass human sacrifice to placate the gods. While our understanding of these celestial phenomena has grown, the author rediscovers the scientific curiosity they engender.
Urban heat islands are not inevitable, but the product of dark roofs, black pavement, and loss of vegetation. A "cool communities" approach would lower air-conditioning use and make the air healthier.
The federal government's planned laser fusion center is being sold as an essential tool for preserving the aging U.S. nuclear arsenal. But that's not what the taxpayer is getting.
The public hears fantastic tales that all is well with the environment and government regulations stifle economic growth. Two prominent environmental scientists argue that promoters of this "don't worry be happy" point of view have their heads in the sand