Thirty years from now, the uproar surrounding Barry Bonds’ alleged steroid use might seem quaint by comparison to the human enhancement technologies that could be available then.

A blog — short for “web log” — is an online personal journal that covers topics ranging from daily life to technology to culture to the arts. Blogs have made such an impact this year that Merriam-Webster named it the word of the year.

Japan has some of the most congested, confusing, and cramped streets in the world. It also boasts some of the latest technology in zapping computerized data to millions of cars, delivering what may be the world’s smartest way to drive.