Dr Bowden and his colleagues also hope to understand the impact of thermokarst activity on the structure of the soil, and its nutrient content.

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Infrared cameras and other technology monitor for unauthorized activity in sensitive areas of the structure, including doors to equipment chambers.

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After being rewarmed, babies at UCSF are given an MRI to look at brain structure and for evidence of degree of injury, and EEGs, which measure the brain's electrical activity and seizures.

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