Unless action is taken now, coral reefs and many of the animals that depend on them may cease to exist within the next 40 years, causing the first global extinction of a worldwide ecosystem during current history. [...more]
Two grass species that had been relatively rare in the plots, Spartina patens and Distichlis spicata, began to respond vigorously to the excess nitrogen. Eventually the grasses became much more abundant. Nitrogen ultimately changed the composition of the ecosystem as well as its capacity to store carbon. [...more]
New world megafauna such as mammoths, bison and camelids that were alive at the end of the Pleistocene epoch (some 13,000 years ago) would have produced massive amounts of methane-rich flatulence and belching, thanks to the cellulose-digesting microbes in their guts. [...more]
Rick Wunderman of the Global Volcanism Program at the Smithsonian's National Museum of Natural History talks about the current volcanic activity in Iceland. [...more]
A new study published in the Feb. 2 issue of the Proceedings of the National Academy of Sciences indicates that forests in the Eastern United States are growing at a faster rate than at any time in the last 225 years. The chief culprit, researchers say, appears to be climate change, specifically: rising levels of atmospheric [...] [...more]
It is one of the largest and most productive estuaries in the world, yet dramatic changes are in store for the Chesapeake Bay in coming decades if climate change predictions hold true, say a team of scientists from the Smithsonian Environmental Research Center, the University of Maryland, Pennsylvania State University, and other research organizations in [...] [...more]
How many people would stare 15 feet down a deep ice hole and plunge into the freezing waters below? Michael Lang would and does on a regular basis. As the Smithsonian’s Scientific Diving Officer Lang is responsible for training and certifying all Smithsonian scientists whose research requires them to dive underwater, whether in extreme environments like Antarctica, or in the [...] [...more]
The Smithsonian Center for Education and Museum Studies is hosting “Climate Change,” a three-day, free, education online conference Tuesday, Sept. 29 through Thursday, Oct. 1. This is the second in a series of Center for Educatin and Museum Studies conferences where researchers and curators from around the Smithsonian Institution come together to address a single subject. “Climate Change” will [...] [...more]
Yellow lady’s slippers, watercolor by Kathleen Garness, from the National Museum of Natural History exhibit “Losing Paradise? Endangered Plants Here and Around the World,” opening Aug. 14. The exhibition, a collaborative effort between the American Society of Botanical Artists and the Natural History Museum, showcases botanical illustrations and features work from several renowned artists, including Alice Tangerini, one of the Smithsonian’s acclaimed scientific illustrators.
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