Credit: public domain CC0 A chemical analysis of sediment cores from the North Pacific Ocean shows a consistent pairing of volcanic ash and hypoxia, a low ocean oxygen condition spanning thousands of…
Tag: Oxygen
How do we know when blood oxygen is too low?
How do we know when blood oxygen is too low? Blood oxygen levels should ideally be maintained within a specific range. That’s because oxygen-infused blood keeps everything from your brain functioning to…
Layered double hydroxides for oxygen evolution reactions
The idealized structure of LDH. Credit: Mingfei Shao, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing To guide the design and synthesis of electrocatalysts toward highly efficient…
Scientists Discover New Way Exoplanets Could Make Oxygen; Unfortunately, it does not require life
Finding oxygen in an exoplanet’s atmosphere is a clue that life might be at work. On Earth, photosynthetic organisms absorb carbon dioxide, sunlight and water and produce sugars and starches for energy….
How Fluctuating Oxygen Levels May Have Accelerated Animal Evolution On Earth – Astrobiology
Fossil records of early animals from the Mistaken Point Ecological Reserve in Canada. CREDIT Dr. Emily. G. Mitchell – University of Cambridge According to new research, oxygen levels in Earth’s atmosphere likely…