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Mars’s Arsia Mons cloud stretches up to 1,100 miles from a 12-mile-high volcano every morning for months, and scientists think its ice forms without dust, a process never seen in a planetary atmosphere
Switzerland’s Jurapark Aargau switched off streetlights in 29 towns for one night to launch a campaign against light pollution, which hurts hedgehogs and glow-worms, and a police chief says dimmer towns see no rise in burglaries
In a Danish burial mound in 1891, archaeologists found a 3,400-year-old Bronze Age folding chair, the only completely preserved chair from Bronze Age Europe, and its finder wondered if it was a table
Juan, 29, chose an olive farm near Tarragona, Spain, over a Barcelona apartment costing more than $1,100 a month, and now he sells organic olive oil and grows 80 percent of his vegetables
UN members voted 164 to 1 to encourage the Equal Earth projection, where Brazil looks nearly four times the size of Greenland, a shift Latin American geographers say gives their region new visibility
A Burkina Faso farmer filled zaï pits with manure and grew a nearly 100-acre forest on abandoned land, and a study found termite tunnels made rain soak in 2 to 4 times faster
Scientists in Nanjing simulated greening in China and India, which together account for nearly one-third of Earth’s added leaf area, and the model shows it cooling western Eurasia while northern North America warms
Uceda, a small town in central Spain, wants volunteers to excavate its hilltop castle and a buried 30-acre Islamic medina, and the archaeologists running the dig offer six weekly spots with breakfast until October 20
A wind farm in Hopefield, South Africa, painted two red stripes on one blade of four turbines, and a preprint not yet peer reviewed estimates bird deaths at those turbines fell a median 83 percent
Moab uranium tailings have moved by train since 2009, and crews have now hauled 17 million tons from the banks of the Colorado River to a disposal cell 30 miles north at Crescent Junction
The Tennessee Valley Authority has an NRC permit to build the first U.S. commercial small modular reactor, a 300-megawatt unit at Clinch River in Oak Ridge, and it still needs a separate operating license
Scientists studying a 2,000-year-old Mithridates warship sunk off Phanagoria in the Black Sea tested 22 nails and a 34-pound bronze ram, and found builders paid for copper over cheaper iron to keep it sailing
Naples Botanical Garden shows how an empty 2-liter soda bottle becomes a self-watering planter with a cotton wick, and a University of Kentucky extension guide says capillary action can lift water about 4 inches
Volunteers and scientists found two new snail species in Montenegro with shells about a quarter inch long and a door on the tail, and one lives in a canyon a planned 561-foot dam would flood
Spain’s Doñana National Park lost over 60 percent of adult Iberian pear trees at one site in two decades, and researchers point to deer, wild boar and falling groundwater
Pegasus, a 16-foot-wide drone built by three Australian companies, flew for almost 2 hours over Queensland on a single lithium-sulfur battery pack, and its makers now expect missions of 5 to 8 hours
TouchWind put a floating wind turbine with a 20-foot rotor that tilts back like a helicopter in storms on a Dutch lake, and the test asks whether wind farms can pack turbines closer together









