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Getting ready for its initial public offering later this month, Zynga set its share price at $8 to $10.

In her new book, The Heights: Anatomy of a Skyscraper, author Kate Ascher sheds light on the infrastructure and services that make life and work possible in a modern skyscraper. She examines everything that goes into designing, building and maintaining these towering buildings.

Doctors are running out of effective antibiotics, as bacteria evolve ways to evade one drug after another. Now DARPA has called for alternatives to conventional antibiotics. Nanotechnologist Chad Mirkin discusses one such weapon--tiny globs of DNA and RNA that can switch off the bugs' antibiotic resistance. Nanotechnologist Chad Mirkin discusses next-generation antibiotics that target a bacterium's DNA.

President Obama has signed a bill to reopen slaughterhouses for horses. While some animal welfare groups say the facilities are inhumane, others say the alternative is no better.

In a new book, Pulitzer Prize winning writer Richard Rhodes tells the behind-the-scenes story of movie star--and inventor-- Hedy Lamarr, "the most beautiful woman in the world." Lamarr invented "frequency hopping," a concept that's still used in today's wireless technology.

Under the new rules, police may require advance payment before issuing a permit to protest.

This year set a record for recall elections, as 11 lawmakers were forced to defend their seats — and four of them lost. Now Wisconsin Gov. Scott Walker faces an effort to oust him from office. Despite the anti-Walker fervor, though, recall elections usually face long odds.

The cost to treat HIV-positive people in the developing world has dropped dramatically. And a key U.S. official says that the lower costs make it possible to treat many more people without increasing spending.

Researchers found that turtles in Australia's Murray River regulate their development to hatch as a bunch. The question is, how do they communicate?

The company has called Illinois home for more than a century but is now at the heart of a bidding war between states, which are increasingly looking to take businesses away from one another as new-job creation remains slow. One offer from Ohio is reportedly worth up to $400 million in tax incentives.