Old species learn new tricks...very slowly

No species lasts forever, and, just as the saying goes, it seems like old species may get stuck in their ways and can't adapt to environmental change as fast as younger species do.

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Particles pull last drops of oil from well water

Engineers develop magnetic nanoparticles that separate the last droplets of oil from produced water at wells.

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This matrix delivers healing stem cells to injured elderly muscles

Muscles of the elderly and of patients with Duchene muscular dystrophy have trouble regenerating. A new nanohydrogel with muscle stem cells has boosted muscle growth in mouse models while protecting the stem cells from immune reactions that usually weaken or destroy them.

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Oxygen levels on early Earth rose, fell several times before great oxidation even

Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research shows.

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A bird's eye view of the Arctic

Drones and other unmanned technologies can cost-effectively collect weather data in harsh or remote environments and contribute to better weather and climate models, according to a new study.

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Climate change is making night-shining clouds more visible

Increased water vapor in Earth's atmosphere due to human activities is making shimmering high-altitude clouds more visible, a new study finds. The results suggest these strange but increasingly common clouds seen only on summer nights are an indicator of human-caused climate change, according to new research.

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