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Credit: © Zhao Gang / Greenpeace First-of-its-kind study reveals that fossil fuel consumption has outsized impact on river...

Date Time New Material Could Harvest Water All Day Long Micro-engineered, bioinspired design allows the material to collect moisture from cool fog as well as generating and collecting steam under sun Tiny structures inspired by the shape of cactus spines allow a newly created material to gather drinkable water from the air both day and night, combining two water-harvesting technologies into one. The material, a micro-architected hydrogel membrane (more on that later), can produce water through both solar steam-water generation and fog collection-two independent processes that typically requir...

Credit: Image courtesy of Costas Synolakis On September 28, 2018, an inexplicably large tsunami devastated the Indonesian coastal city of Palu and several others nearby. Between the tsunami and the magnitude 7.5 earthquake that caused it, some 4,340 people were killed, making it the deadliest earthquake that year. The tsunami’s waves reached around six meters high, which was a shock to geophysicists who had believed that earthquakes along a strike-slip fault could only trigger far smaller tsunamis for that particular region. Now, new research describes a mechanism for these large tsun...

Credit: NASA/JPL-Caltech/ASU/MSSS Bethany Ehlmann, professor of planetary science and associate director of the Keck Institute for Space Studies at Caltech, testified before a U.S. House of Representatives subcommittee on April 29 about the scientific value of JPL’s Mars 2020 mission; JPL is managed by Caltech for NASA. Ehlmann, member of the science team and co-investigator on the rover’s Mastcam-Z and SHERLOC instrument teams, gave her testimony before the House Committee on Science, Space, and Technology Subcommittee on Space and Aeronautics in a hearing titled “What Do Scienti...