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Narwhal tusks tell a troubling tale
Enlarge (credit: Science & Society Picture Library | Getty Images) Researchers have long debated what the 10-foot-long tooth that erupts from a narwhal’s head is actually for. Perhaps it has something to do with sexual selection, and males with longer horns attract more females. Or maybe the things sense salinity. Or perhaps a narwhal uses […]
Scientists blast out Earth’s location with the hope of reaching aliens
The Large Magellanic Cloud, the largest satellite galaxy of the Milky Way. Accurate estimates of the distance to this galaxy help calibrate measurements of the expansion rate of the Universe. (credit: Robert Gendler/Josch Hambsch) If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make […]
Honda just built the world’s most advanced wind tunnel in Ohio
Enlarge / An Acura MDX undergoing an aerodynamic test in Honda’s new $124 million wind tunnel—the most advanced in the world. (credit: Jonathan Gitlin) Honda provided a flight to Columbus and back and a night in a hotel so we could visit the new facility. Ars does not accept paid editorial content. EAST LIBERTY, OHIO—Over […]