An international team of scientists led by the University of Arizona used the latest technology in remote sensing to measure plant biodiversity from the Amazon basin to the Andes Mountains in Peru to better understand how tropical forests will respond to climate change. The researchers used Arizona State University’s Global Airborne Observatory, or GAO, to
This visual shows how AquaSat can be used to predict Total Suspended Sediment in the Wax Lake and Atchafalaya Deltas, where brown colors are high sediment concentrations and blue values are low. Credit: Matthew Ross/Colorado State University Access to abundant, clean, water for drinking, recreation and the environment is one of the 21st century’s most
A Falcon 9 SpaceX rocket on a resupply mission to the International Space Station stands ready for launch at Space Launch Complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Fla., Wednesday, Dec. 4, 2019. (AP Photo/John Raoux) SpaceX has delayed its delivery to the International Space Station because of dangerous wind
Images of the four candidate sample collection sites on asteroid Bennu: Nightingale, Kingfisher, Osprey and Sandpiper. One of these four sites will ultimately be the location on which NASA’s OSIRIS-REx spacecraft will touch down to collect a sample. Credit: NASA/Goddard/University of Arizona NASA’s OSIRIS-REx mission is just days away from selecting the site where the
Some of the oak planks in situ in the foundation of the portico. Credit: Bernabei at al., 2019 The ancient Romans relied on long-distance timber trading to construct their empire, according to a study published December 4, 2019 in the open-access journal PLOS ONE by Mauro Bernabei from the National Research Council, Italy, and colleagues.
Credit: CC0 Public Domain The moment when an immigrant becomes a citizen of his adopted country looks remarkably similar in ceremonies around the world: a hand raised, an oath taken, a flag waved, and a celebration with family and friends. But the road leading to that moment differs widely by country. Some are long and
Pump light coupled to the device produced lasing in a microring resonator. The surface of the resonator holds probes (red anchor molecules on the ring) that capture the analytes of interest. The laser light in the ring extends into the fluid. When analytes of interest (blue triangles) attach to the capture probes, this is sensed
This illustration shows the white dwarf WDJ0914+1914 and its Neptune-like exoplanet. Since the icy giant orbits the hot white dwarf at close range, the extreme ultraviolet radiation from the star strips away the planet’s atmosphere. While most of this stripped gas escapes, some of it swirls into a disc, itself accreting onto the white dwarf.
White rot fungi, Duke Forest, North Carolina Credit: NA The recycling of most of the carbon in nature depends on the breakdown of two polymers in woody matter, notably cellulose and lignin. In a paper just published in the journal Biochemistry, Richard Wolfenden, Ph.D., and colleague Charles Lewis, Ph.D., both in the UNC Department of
Credit: Tel Aviv University Entropy, a measure of the molecular disorder or randomness of a system, is critical to understanding a system’s physical composition. In complex physical systems, the interaction of internal elements is unavoidable, rendering entropy calculation a computationally demanding, and often impractical, task. The tendency of a properly folded protein to unravel, for
Credit: CC0 Public Domain An international group of scientists, including Andrey Savelyev, associate professor of the Institute of Physical and Mathematical Sciences and Information Technologies of the IKBFU, has improved a computer program that helps simulate the behavior of photons when interacting with hydrogen spilled in intergalactic space. Results are published in the scientific journal
Jill Linz describing atom music during a TEDx Talk. Credit: Skidmore College Atom music is a fun new way to explore the atomic world via musical synthesis techniques. Atoms absorb and release energy in the form of photons that we perceive as different colors—think northern lights. These colors can be passed through a grating or
Indian artists, once erased from history after immortalizing the wonders of the natural world in paint, are finally getting their due. A new exhibition at the Wallace Collection in London showcases 109 paintings of people, plants and animals commissioned by East India Company officials between the 1770s and 1840s. Titled “Forgotten Masters: Indian Painting for
The family tree of the Habsburgs, a German-Austrian ruling family whose domain stretched from Portugal to Transylvania, is a tangled one. Like many royal families, the Habsburgs made strategic marriages to consolidate their power, often to close relatives. And while the dynasty’s regalia was glittery and their palaces splendid, the royals themselves were markedly less
The waters of Quitobaquito in southern Arizona have attracted diverse visitors for thousands of years. Credit: Jared Orsi, CC BY-ND A few hundred yards from the Mexican border in southern Arizona lies a quiet pond, about the size of two football fields, called Quitobaquito. About 10 miles to the east, heavy machinery grinds up the