Cotopaxi Continues to Rumble as Ecuador Prepares for Eruption

Billowing ash from this week’s eruptions of Cotopaxi in Ecuador, taken from near Chilcabamba Eco Lodge. LUCAS BUSTAMANTE / DESTINATION ECUADOR (USED BY PERMISSION) Enlarge Cotopaxi in Ecuador continues to rumble after its first eruption in 70 years earlier this month. Over the last week, the volcano has been emitting almost constant steam-and-ash plumes punctuated […]

Researchers to track northern gannets after Nfld. nests abandoned

A gannet flies over its nesting grounds Wednesday, July 25, 2012 on the Bonaventure Island in Perce, Que. (Jacques Boissinot/ THE CANADIAN PRESS) ST. JOHN’S, N.L. — Researchers at Cape St. Mary’s in southeastern Newfoundland are searching for clues about why northern gannets abandoned their young again this year. Seabird specialist Bill Montevecchi, a biologist […]

Yale Engineers Develop a Shape-Shifting Navigation Device for the Visually Impaired

Researchers from Yale University have developed a shape-shifting navigation device for both the sighted and visually impaired. Combine mechanical engineering, experimental theater, and an old dark church, and you’re bound to get some interesting results — a new navigation device, for instance. That’s what happened when Yale University engineer Adam Spiers, a postdoctoral associate in […]

Humus depletion induced by climate change?

If the input of organic matter stagnates, soil will lose some of its humus in the long term. Credit: Fotolia The yields of many important crops in Europe have been stagnating since the 1990s. As a result, the input of organic matter into the soil – the crucial source for humus formation – is decreasing. […]

What would a tsunami in the Mediterranean look like?

The Matala beach in southern Crete is one of the areas that could be affected by a tsunami in the Eastern Mediterranean. Credit: This image is licensed under a Creative Commons Attribution licence. Source: Wikimedia Commons Enlarge A team of European researchers have developed a model to simulate the impact of tsunamis generated by earthquakes […]

Discovering dust-obscured active galaxies as they grow

ENLARGE > Figure 1: Images of 3 DOG’s. The left, middle, and right panels show optical image from HSC, near-infrared image from VIKING, and mid-infrared image from WISE, respectively. The image size is 20 square arcsecond (1 arcsecond is 1/3600 degree). It is clear that DOGs are faint in the optical, but are extremely bright in […]

Lonely Supernova Likely Exiled by Merging Black Holes

Elliptical galaxies with dark, wispy dust lanes suggest galaxy mergers. The combination of two supermassive black holes at their center could have cast out pairs of older stars that later exploded into supernovae without host galaxies. Credit: NASA, ESA, and R. Foley (University of Illinois) Enlarge Isolated supernovae, exploding alone in the empty space between […]

Sampling Enceladus: Is Earth Ready for Pieces of Saturn Moon’s Plumes?

The plumes of Saturn’s moon Enceladus, as seen by NASA’s Cassini probe in 2009. Credit: NASA/JPL/SPACE SCIENCE INSTITUTE Many astrobiologists are champing at the bit to bring back samples from Saturn’s ocean-harboring moon Enceladus, but others say it may be best to exercise a little patience. In 2005, NASA’s Cassini spacecraft discovered that geysers blast from […]

First signals from CALET on the ISS

After berthing with the ISS, CALET is to be extracted by robotic arm from the Japanese H-II transfer vehicle (left, with Japanese flag) and installed on the Japanese Experiment Module (right) where it will start its first data-taking. Credit: NASA/JAXA Five days after it launched from the Tanegashima Space Center on board the HTV-5 Transport […]

Astronomers unravel the history of galaxies for the first time

Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration Enlarge A team of international scientists, led by astronomers from Cardiff University’s School of Physics and Astronomy, has shown for the first time that galaxies can change their structure over the course of their lifetime. By observing the sky as it is today, and peering back […]

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