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NASA Earth Science Education Collaborative Member Co-Authors Award-Winning Paper in Insects
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By European Space Agency
Video: 00:06:40 A group of volunteers is spending two months lying in bed—with their feet up and one shoulder always touching the mattress—even while eating, showering, and using the toilet. But why? This extreme bedrest study is helping scientists understand how space travel affects the human body and how to keep astronauts healthy on long missions.
Microgravity causes muscle and bone loss, fluid shifts, and other physiological changes similar to those experienced by bedridden patients on Earth. By studying volunteers here on Earth, researchers can develop better countermeasures for astronauts and even improve treatments for medical conditions like osteoporosis.
In this study, participants are divided into three groups: one stays in bed with no exercise, another cycles in bed to mimic astronaut workouts, and a third cycles while being spun in a centrifuge to simulate artificial gravity. Scientists hope artificial gravity could become a key tool in protecting astronauts during deep-space missions.
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By European Space Agency
Image: This Copernicus Sentinel-2 image highlights part of the São Francisco River in eastern Brazil. View the full article
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By Space Force
The Department of Air Force updated a medical guidance memorandum, Jan. 24, 2025, to offer healthcare providers additional guidance when evaluating Airmen and Guardians for a Pseudofolliculitis Barbae (PFB) diagnosis.
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By NASA
Caption: Illustration of the four PUNCH spacecraft in low Earth orbit. Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab
NASA will hold a media teleconference at 2 p.m. EST on Tuesday, Feb. 4, to share information about the agency’s upcoming PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission, which is targeted to launch no earlier than Thursday, Feb. 27.
The agency’s PUNCH mission is a constellation of four small satellites. When they arrive in low Earth orbit, the satellites will make global, 3D observations of the Sun’s outer atmosphere, the corona, and help NASA learn how the mass and energy there become solar wind. By imaging the Sun’s corona and the solar wind together, scientists hope to better understand the entire inner heliosphere – Sun, solar wind, and Earth – as a single connected system.
Audio of the teleconference will stream live on the agency’s website at:
https://www.nasa.gov/live
Participants include:
Madhulika Guhathakurta, NASA program scientist, NASA Headquarters Nicholeen Viall, PUNCH mission scientist, NASA’s Goddard Space Flight Center Craig DeForest, PUNCH principal investigator, Southwest Research Institute To participate in the media teleconference, media must RSVP no later than 12 p.m. on Feb. 4 to: Abbey Interrante at: abbey.a.interrante@nasa.gov. NASA’s media accreditation policy is available online.
The PUNCH mission will share a ride to space with NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) space telescope on a SpaceX Falcon 9 rocket from Space Launch Complex 4 East at Vandenberg Space Force Base in California.
The Southwest Research Institute in Boulder, Colorado, leads the PUNCH mission. The mission is managed by the Explorers Program Office at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for NASA’s Science Mission Directorate in Washington.
To learn more about PUNCH, please visit:
https://nasa.gov/punch
-end-
Karen Fox
Headquarters, Washington
202-358-1600
karen.fox@nasa.gov
Sarah Frazier
Goddard Space Flight Center, Greenbelt, Md.
202-853-7191
sarah.frazier@nasa.gov
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By NASA
NASA Science Live: Asteroid Bennu Originated from World with Ingredients and Conditions for Life
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