• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Very small genomes have evolved repeatedly in eubacterial lineages that have adopted obligate associations with eukaryotic hosts. Complete genome sequences have revealed that...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-05T00:00:00.000+00:00

The southern residents face several well-documented external threats. However, the population might also be subject to internal factors that limit population growth, including a reduction in...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Interplanetary human spaceflight represents a formidable medical challenge but also provides a unique platform for investigating human adaptation to extreme environmental changes. Understanding...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Background: The radiation bystander response is an important component of the overall response of cells to radiation and critical to understanding health risks of radiation exposure to humans. The...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-23

Interplanetary human spaceflight represents a formidable medical challenge but also provides a unique platform for investigating human adaptation to extreme environmental changes. Understanding...

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