Nearly 2 million years ago a species of upright apes known as Homo erectus began to use fire. It was a gradual process, from opportunistic users of natural fires to masters able to craft flames from flint and tender. We are ...
Astrobiology
Aug 7, 2023
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A team of microbiologists and Earth scientists affiliated with several institutions in Germany reports that it was possible for methane to form in water on Earth before life began. In their study, reported in the journal ...
We have discovered more than 5,400 planets in the universe. These worlds range from hot jovians that closely orbit their star to warm ocean worlds to cold gas giants. While we know they are there, we don't know much about ...
Astronomy
Jul 31, 2023
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One of the most commonly discussed challenges when starting our species' space exploration journey is how to get the resources necessary for life off of the Earth. Typically this is thought of as two things—water and oxygen, ...
Space Exploration
Jul 19, 2023
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Criegee intermediates are produced in the ozonolysis of unsaturated compounds in the atmosphere. These intermediates are especially important because they contribute to the formation of OH radicals during the night and to ...
Analytical Chemistry
Jul 17, 2023
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Schools in New Delhi had to close Monday after heavy monsoon rains battered the Indian capital. Landslides and flash floods killed at least 15 people over the last three days. Farther north, the overflowing Beas River swept ...
Environment
Jul 10, 2023
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1
Ion exchange membranes are needed in (photo)electrolyzers, fuel cells and batteries to separate ions and enable the desired processes. Polymeric membranes such as synthetically produced compounds like NAFION are particularly ...
Polymers
Jul 5, 2023
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32
New research led by the University of East Anglia (UEA) reduces uncertainty in future climate change linked to the stratosphere, with important implications for life on Earth.
Earth Sciences
Jun 26, 2023
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NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) mission acquired stunning views of Mars in two ultraviolet images taken at different points along our neighboring planet's orbit around the sun.
Planetary Sciences
Jun 23, 2023
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30
How close can a rocky planet be to a star, and still sustain water and life?
Astrobiology
Jun 21, 2023
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