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As deep-sea waters warm, scientists expected trouble for the microbes that help keep ocean chemistry in balance. Instead, researchers found that Nitrosopumilus maritimus can adapt to warmer, iron-limited conditions by using iron more efficiently. Because these microbes control key nitrogen reactions that support marine life, their adaptability could help sustainContinue Reading

Single-aisle Turboelectric Aircraft with Aft Boundary-Layer Propulsion A key priority for NASA Aeronautics is investing in electrified aircraft propulsion (EAP) technologies for their potential to reduce fuel consumption, emissions, and noise for commercial airplanes. Achieving these benefits could be a key step towards environmental sustainability for the entire aviation industry.Continue Reading

PEGASUS In the last decade, airlines have shifted their focus from capturing market share to consolidating operations along the most profitable routes. Airlines have also increased the average load factor of flights and have shifted from under-50 seat regional aircraft toward 70-90 seat aircraft, which tend to have superior operatingContinue Reading

X-57 Maxwell NASA’s X-57 Maxwell was an all-electric experimental aircraft designed to demonstrate multiple cutting-edge technologies. The goal of the X-57 was to demonstrate that an all-electric airplane can be more efficient, quieter, and more environmentally friendly than airplanes powered by traditional gas piston-engines. The X-57 sought to demonstrate theContinue Reading

More Subsonic Vehicle Technologies and Tools (SVTT) Project News Stay up-to-date with the latest news and content from NASA’s Subsonic Vehicle Technologies and Tools (SVTT) project as it develops technologies and tools for a wide array of subsonic air vehicle applications, ranging from next-generation vertical take-off and landing to transonic,Continue Reading