Related Experiment Video
Updated: Jan 31, 2026

05:54
Mimicking a Space Mission to Mars Using Hindlimb Unloading and Partial Weight Bearing in Rats
Published on: April 4, 2019
11.4K
A Year on the International Space Station: Implementing a Long-Duration Biomedical Research Mission
Aerospace Medicine and Human Performance
|December 24, 2018
Summary
The year-long space mission of astronauts Scott Kelly and Mikhail Kornienko provided crucial data on human health risks during long-duration spaceflight. Further research is needed to fully understand and mitigate these risks for future interplanetary exploration.
Area of Science:
- Space Medicine
- Human Physiology in Space
- Interplanetary Exploration Health Risks
Background:
- The International Space Station (ISS) hosted a year-long mission with astronauts Scott Kelly and Mikhail Kornienko.
- This mission involved complex biomedical experiments to understand spaceflight health hazards.
- The primary focus was risk mitigation for human interplanetary exploration.
Purpose of the Study:
- To gain knowledge and monitor physiological, psychological, and medical effects of long-duration spaceflight.
- To establish insight into human health risks associated with interplanetary exploration.
- To identify essential elements for future spaceflight health studies.
Main Methods:
- Over 20 biomedical risk-reduction investigations were conducted before, during, and after the expedition.
- Data was collected by NASA's Human Research Program and the Russian Academy of Sciences.
- A database of results and programmatic observations was compiled.
Main Results:
- Statistical analysis indicates a need for additional, longer-term testing to confirm the absence of unacceptable health effects.
- The mission's experimental procedures suggest potential efficiencies for future spaceflight health investigations.
- The mission highlighted the importance of standardized measures for rigorous comparisons across diverse astronaut populations.
Conclusions:
- Joint investigations and standardized measures are vital for comparing results across different populations in space.
- Improvements in collaborative processes between international scientific research programs were identified.
- Additional studies are necessary to develop an integrated research methodology for the ISS and future deep space missions.
Related Concept Videos
Internal Energy
36.7K
The total of all possible kinds of energy present in a substance is called the internal energy (U), sometimes symbolized as E. Suppose a system with initial internal energy, Uinitial, undergoes a change in energy (transfer of work or heat), and the final internal energy of the system is Ufinal. Change in internal energy equals the difference between Ufinal and Uinitial.
36.7K
Internal Energy
7.0K
The internal energy of a thermodynamic system is the sum of the kinetic and potential energies of all the molecules or entities in the system. The kinetic energy of an individual molecule includes contributions due to its rotation and vibration, as well as its translational energy. The potential energy is associated only with the interactions between one molecule and the other molecules of the system. Neither the system's location nor its motion is of any consequence as far as the internal...
7.0K
Internal Receptors
74.6K
Many cellular signals are hydrophilic and therefore cannot pass through the plasma membrane. However, small or hydrophobic signaling molecules can cross the hydrophobic core of the plasma membrane and bind to internal, or intracellular, receptors that reside within the cell. Many mammalian steroid hormones use this mechanism of cell signaling, as does nitric oxide (NO) gas.
74.6K
Nursing Implementation
6.2K
Implementation is the execution of the nursing care plan developed during the planning phase.
The five steps to implementing effective nursing care include reassessing the patient, reviewing and revising the existing nursing care plan, organizing the resources and care delivery, anticipating and preventing complications, and implementing nursing interventions.
The five steps to implementing effective nursing care include reassessing the patient, reviewing and revising the existing nursing care plan, organizing the resources and care delivery, anticipating and preventing complications, and implementing nursing interventions.
6.2K
Space Trusses
1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K
State Space Representation
571
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
Consider an RLC circuit, a...
571

