Exposure to man-made chemicals influences genes controlling aging, immune system and metabolism

Man-made chemical disrupt the activities of most human genes. What effect does this have on human health and how should regulators respond?

Alexander Suvorov, Assistant Professor, University of Massachusetts Amherst • conversation
Oct. 15, 2020 ~8 min

Tags: health environment metabolism obesity immune-system genes toxicology

Ancient microbial life used arsenic to thrive in a world without oxygen

How ancient microbes survived in a world without oxygen has been a mystery. Scientists discovered a living microbial mat that uses arsenic instead of oxygen for photosynthesis and respiration.

Kimberley L Gallagher, Adjunct professor, Quinnipiac University • conversation
Sept. 25, 2020 ~9 min

Tags: metabolism mars microbes photosynthesis oxygen arsenic astrobiology origin-of-life stromatolites

'Normal' human body temperature is a range around 98.6 F – a physiologist explains why

'Normal' body temperature varies from person to person by age, time of day, where it's measured, and even menstrual cycle. External conditions also influence your thermometer reading.

JohnEric Smith, Associate Professor of Exercise Physiology, Mississippi State University • conversation
June 16, 2020 ~9 min

Tags: coronavirus metabolism inflammation sars-cov-2 fever infection immune-response temperature body-temperature warmblood warm-bloodedness

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