These three twenty minute radio broadcasts discuss: a wrinkle-faced dinosaur from Africa; small mammals called solenodons; and the relationship between sleep and the brain. The wrinkle-faced dinosaur (Rugops primus) from Africa had cousins in South America and India, and could provide clues to how the ancient continents split. Paleontologist Paul Serreno discusses tracking continental drift through ... Full description.

These two radio broadcasts discusses changes needed in American oceans policy, and the possibility that the United States is falling behind in science. The first show reports on numbers released by the National Science Board that indicate a decline in the number of American citizens training for jobs in science and technology; and the leveling off of the number of scientific publications produced ... Full description.

This radio broadcast discusses creatures that thrive on natural deep sea asphalt flows in the Gulf of Mexico. The chemosynthetic animals living on the sea floor include worms, mussels and clams. Also covered is salt tectonism and how the creation of asphalt flows is a process not yet understood. This segment is 14 minutes in length. A second broadcast on the cicada emergence in parts of the United ... Full description.

These two radio broadcasts discusse new evidence supporting the existence of dark energy from the Chandra X-ray Observatory and Darwin and his theory of evolution. First, The new observatory data from measured distances between galactic clusters suggest the universe started accelerating 6 billion years ago and that the amount of dark energy - the mysterious repulsive force that appears to be pushing ... Full description.

This 47 minute radio broadcast discusses the plants collected by Lewis and Clark with Sacajawea beginning in 1804 and the contributions the expedition made to botany with their agricultural, horticultural and medicinal specimens. And in honor of National Alternative Fuel Vehicles day, there is discussion about the latest green car technology and car shows featuring hybrid cars and hydrogen fuel cell ... Full description.

This 46 minute radio broadcast discusses the NASA announcement in March 2004 that the rover Opportunity explored a crater on Mars that was once soaked with water - the most convincing evidence yet of a warm, wet past on Mars. Though the question of whether that water may have supported life remains, it certainly improves the odds. The second part of the broadcast discusses genetically engineered organisms. ... Full description.

This 47 minute radio broadcast discusses the Gravity Probe B mission, which tests the general theory of relativity. Four ultra-high-precision gyroscopes on board the craft are looking for evidence of the warping of space by the mass of Earth as the craft orbits some 400 miles above Earth. Was Einstein right? The mission has been over 40 years in the making, and has cost 700 million dollars. The show ... Full description.

In this 47-minute radio broadcast, cosmologists discuss what they are learning about dark energy and the nature of the universe. Most astronomers believe that the universe began with an infamous Big Bang. But will the universe go out in a Big Rip or a Big Crunch? And when might it happen? Recent pictures from the Hubble Space Telescope (HST) are helping cosmologists figure out how the universe might ... Full description.

This 47-minute radio broadcast discusses a report by biologists that the types of trees in the inner Amazon rainforest are changing. Increasingly, they've found, larger, faster-growing tree species are crowding out smaller slower tree types - even in areas that have not yet been touched by logging or fires. The researchers suggest that increased carbon dioxide levels could be to blame. The second ... Full description.

This 47 minute radio broadcast speculates what New York City might be like in the year 2050, after a century of human-induced climate change. What could a warming planet mean for this city and its people? Plus, can taking action towards sustainable design - from green office buildings to living roofs - ensure a better future for the Big Apple? The show discusses how city planners and scientists use ... Full description.