From left, Dan Denham of the San Diego County Water Authority; Scott Cameron of the U.S. Bureau of Reclamation; Tom Buschatzke of the Arizona Department of Water Resources; and Colby Pellegrino of the Southern Nevada Water Authority toasted the agreement at the Carlsbad Desalination Plant in California on Wednesday.
Paleontologists have identified a new species of the axolotl genus Ambystoma from several fossilized specimens found deep in the rocky outcrops of the Mexican state of Hidalgo.
Paleontologists have described a new species of bipedal shuvosaurid archosaur from New Mexico, shedding light on a group of creatures that roamed North America during the Triassic period, more than 200 million years ago.
Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan has also faced criticism from nonproliferation experts.
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