Science

Ancient asteroid craters may have sparked Earth’s oxygen-producing life

A new research report is adding another piece to a larger scientific puzzle, and the important part is not the drama of the finding but the practical work it could make possible.

For readers, the useful question is what the research changes: whether it gives scientists a cleaner measurement, a better tool, or a result strong enough for other teams to test.

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How Pulse Oximetry Figures Out Your Blood Oxygen Levels

How Pulse Oximetry Figures Out Your Blood Oxygen Levels

If you’ve ever had a medical team investigating cardiac issues, you’ve probably had a bunch of electrodes stuck all over your chest and been hooked up to an electrocardiogram. This …read

The question is whether the latest technology story changes what people buy, trust, use or expect from technology.

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