Closing in on the elusive neutrino
Friday, 08 September 2023 12:47
Furthest ever detection of a galaxy's magnetic field
Friday, 08 September 2023 12:47
Terran Orbital unveils new product line of seven satellite buses
Friday, 08 September 2023 12:47
Firefly Aerospace awarded multi-launch agreement with L3Harris
Friday, 08 September 2023 12:47
Sea launch 1st by Chinese private entity
Friday, 08 September 2023 12:47
Effect of geometric porosities on aerodynamic characteristics of supersonic parachutes
Friday, 08 September 2023 12:47
China publishes new datasets obtained by Mars, lunar probes
Friday, 08 September 2023 12:47
Mexico's CFE TEIT taps SES's Mobile Backhaul Service via SES-17 to Boost Digital Inclusion
Friday, 08 September 2023 12:47
Vodafone and Amazon's Project Kuiper to extend connectivity in Africa and Europe
Friday, 08 September 2023 12:47
The future of human spaceflight safety is in the hands of Congress
Friday, 08 September 2023 12:09

Week in images: 04-08 September 2023
Friday, 08 September 2023 12:05
Week in images: 04-08 September 2023
Discover our week through the lens
New report recommends Space Force change how it buys commercial satellite services
Thursday, 07 September 2023 20:50

The Astronaut Center of China 90-d head-down bed rest: Overview, countermeasures, and effects
Thursday, 07 September 2023 19:26
When astronauts enter space, they are exposed to weightlessness. Physiological and psychological challenges are waiting ahead. They may have a puffy face and experience space motion sickness, cardiovascular deconditioning, muscle atrophy, and bone loss.
Moreover, long-term spaceflight has been shown to result in 83% of astronauts with post-flight orthostatic intolerance. For such problems, exercise countermeasures can be the primary approach to resolve these changes. Head-down bed rest (HDBR) simulates physiological effects in weightlessness and is widely used in countermeasure testing, and efficacy of exercise interventions has been widely studied in HDBR with different periods as well.
Usually, the long-term bed rest experiment is completed in stages, and a positive control of separated exercise countermeasures rarely tests at the same time in these experiments.