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"Cyro," under development at Virginia Tech, looks and moves like a jellyfish. Researchers say it could be used for studying the oceans and cleaning up oil spills.

Over the past three decades, artist and sculptor Arthur Wood has turned his four-story home into a towering cathedral built out of salvaged junk. But after a fire in 2006, the New York City Department of Buildings determined that the Clinton Hill landmark was no longer a safe place to live.

This model was hailed as a success in Somalia and is now being marshaled to fight rebels in the eastern Congo. It involves Western nations providing financial support to African troops who do the peacekeeping. But why are African countries so silent about their casualty figures?

The killings of the Kaufman County district attorney and his wife come two months after an assistant district attorney for the same county was shot dead a block from his office. Police say they will "assume" the killings are linked "until it's proven otherwise."

Bassem Youssef lampoons Egypt's public figures on TV. He's accused of insulting Islam and President Mohammed Morsi, and his interrogation is prompting fears for free speech in the transitioning country.

The mostly forgotten explorer Paul du Chaillu first introduced the world to gorillas. His methods were attacked and his work discredited during his lifetime, but he also experienced fame and redemption. Now, there's a new book that tells his story.

The U.S. Environmental Protection Agency could soon issue a final ruling that aims to force oil companies to replace E10, gasoline mixed with 10 percent ethanol, with E15. This move could come just as widespread support for ethanol, which is made from corn, appears to be eroding.

In the ongoing debate about the possible benefits of vitamin D supplements, a study suggests that the vitamin might indeed play a role in mildly reducing high blood pressure. The study was small and looked at just African-Americans, but the authors say the findings warrant further research.

Whether it's pan-fried or baked into crispy snacks, the Indonesian soybean cake called tempeh is catching on in America as an alternative to meat. For the residents of Indonesia's capital, Jakarta, it's basic, everyday fare.

Pakistan's isolated Swat Valley is ground zero for a quiet experiment by the Pakistani army: a little-known program aimed at re-educating thousands of young men who were taken in by the Taliban. Using international funds and a contingent of army officers, Pakistan is trying to turn would-be terrorists into law-abiding citizens.