Microbes buried deep in ocean mud challenge our definition of life
In short: Marine microbiologist Karen Lloyd explores deep-subsurface microbes that exist meters beneath the ocean floor. These organisms have survived since long before animals appeared, yet they defy standard laboratory growth and operate on a different biological timeline.
These tiny organisms inhabit deep ocean mud, existing in environments that are fundamentally different from the surface world. Because they refuse to grow in laboratory settings, they suggest that our current understanding of biological requirements may be incomplete.
The research highlights a unique relationship with time and energy that distinguishes these microbes from most known life forms. By studying these ancient survivors, scientists are gaining new insights into the limits of habitability and the persistence of life on Earth.
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Sources
- Summary by Intellect · source: This deep-sea mystery is changing our understanding of life | Karen Lloyd
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