More to biological diversity than meets the eye

Most of us already imagine the tropics as a place of diversity—a lush region of the globe teeming with a wide variety of exotic plants and animals. But for researchers Andrew Forbes and Marty Condon, there's even more diversity ...

Voyager 1 spacecraft reaches interstellar space, study confirms

University of Iowa space physicist Don Gurnett says there is solid evidence that NASA's Voyager 1 spacecraft has become the first manmade object to reach interstellar space, more than 11 billion miles distant and 36 years ...

Can pigeons match wits with artificial intelligence?

Can a pigeon match wits with artificial intelligence? At a very basic level, yes. In a new study, psychologists at the University of Iowa examined the workings of the pigeon brain and how the "brute force" of the bird's learning ...

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