oxygen
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1.75-Billion-Year-Old Fossils Are Oldest Record of Oxygenic Photosynthesis
The story of life on Earth can’t be told without photosynthesis, the process by which plants (and some other lifeforms) convert sunlight into chemical energy. Now, a team of researchers has announced the discovery of fossilized photosynthetic structures—the oldest yet known—from a staggering 1.75 billion years ago. The structures belong to microfossils of Navifusa majensis,…
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Can We Measure How Much Energy Our Brains Use?
After a long day of work or study, your brain might feel like it has been drained of energy. But does our brain burn more energy when engaging in mental athletics than it does during other activities, such as watching TV? To answer this question, we have to look at the engine room of our…
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Tell Me How I’m Supposed to Breathe With No Air (On Mars)
The Martian atmosphere is thin, its volume is only 1% of the Earth’s atmosphere. That means there’s 99% less air on Mars than on Earth.
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The Moon Could Help You (And 8 Billion Others) To Breathe for 100,000 Years
Alongside advances in space exploration, we’ve recently seen much time and money invested into technologies that could allow effective space resource utilisation. And at the forefront of these efforts has been a laser-sharp focus on finding the best way to produce oxygen on the Moon. In October, the Australian Space Agency and NASA signed a…