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New evidence for multiple ice ages on Mars

Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years.

New evidence for multiple ice ages on Mars

Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years.

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Biden’s Green New Deal Won’t Work Without Mining, Especially For Minerals

As Joe Biden and Kamala Harris take the reins of government and launch their program to “transition” America away from fossil fuels, they need to consider some hard realities. Chief among them is that no Green New Deal can succeed…

Message in a bottle: Info-rich bubbles respond to antibiotics

Researchers describe the effects of antibiotics on membrane vesicles, demonstrating that such drugs actively modify the properties of vesicle transport. Under the influence of antibiotics, MVs were produced and released by bacteria in greater abundance and traveled faster and further from their origin. The work sheds new light on these important information-carrying entities, implicated in many cellular communication processes, including antibiotic resistance.

Striped brown dwarf looks a lot like Jupiter

The surface features of brown dwarfs – objects midway in mass between planets and stars – can’t be seen. But researchers have found a way to reveal Jupiter-like stripes and bands in the atmosphere of the closest brown dwarf, Luhman 16B.

Space

Striped brown dwarf looks a lot like Jupiter

The surface features of brown dwarfs – objects midway in mass between planets and stars – can’t be seen. But researchers have found a way to reveal Jupiter-like stripes and bands in the atmosphere of the closest brown dwarf, Luhman 16B.