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Brazil’s Pantanal, a vast wetland situated in the center of South America, has become the next frontier for leading-edge eco-tourists in search of ever more exotic flora and fauna. “It’s where people go after they’ve been to Africa,” says Shannon Bouton, a Ph.D. student in the School of Natural Resources and Environment (SNRE) at the University of Michigan.

This month, Bouton is publishing the results of her unique study of a wading bird colony in the Pantanal in the February

Can sentient machines evolve?

It’s coming, but when? From Garry Kasparov to Michael Crichton, both fact and fiction are converging on a showdown between man and machine. But what does a leading artificial intelligence expert–the world’s first computer science PhD–think about the future of machine intelligence? Will computers ever gain consciousness and take over the world?

“Computer sentience is possible,” said John Holland, professor of electrical engineering an

Scientists study those vaccinated more than 60 years ago versus one year ago

Oregon Health & Science University researchers are studying the effectiveness of the smallpox vaccine in patients who received inoculations decades ago compared with those vaccinated more recently. The universal belief has been that smallpox vaccinations provide protection for only three to five years. Until now scientists and physicians assumed that anyone vaccinated more than five years ago had little to n

A Duke University Medical Center neurobiologist has identified key mechanisms by which the intricate “protein machines” that govern the strength of connections among neurons build and remodel themselves to adjust those connections.

Such remodeling of the connections, called synapses, is central to the establishment of brain pathways during learning and memory, said the scientists. Also, malfunction of the synaptic machinery might well play a fundamental role in the pathology of neurodegenera

A major computer project has been launched today to analyse millions of different chemicals in the search for drugs to combat the bioterrorist threat of smallpox.

The smallpox research project will use the ‘screensaver downtime’ donated by up to two million computer users worldwide to screen 35 million compounds and identify those most likely to be suitable for drug development.

Currently no drugs are available to combat the smallpox virus after infection, and the only prevention i

Data gathered by Penn State engineers in a volunteer effort at the World Trade Center tragedy, suggests that simple, inexpensive microphones dropped into the rubble of a collapsed building may be able to aid search and rescue teams despite ground level noise.

Dr. Thomas B. Gabrielson, associate professor of acoustics and senior research associate at Penn State’s Applied Research Laboratory, says, “In conventional survivor searches, noise generating activities at the surface must be stopped