Meteorites reveal magnetic record of protoplanet churn

If you stumble upon an unusual rock that could be a meteorite, do not place a magnet on it to see if it's magnetic—you'd end up erasing 4.5 billion years of magnetic history. Meteorites are remnants of our solar system's ...

This ultrathin sensor could save your lungs—and the climate

Nitrogen dioxide, an air pollutant emitted by fossil fuel-powered cars and gas-burning stoves is not only bad for the climate—it's bad for our health. Long-term exposure to NO2 has been linked to increased heart disease, ...

Bottling the world's coldest plasma

Rice University physicists have discovered a way to trap the world's coldest plasma in a magnetic bottle, a technological achievement that could advance research into clean energy, space weather and astrophysics.

It's elemental: Ultra-trace detector tests gold purity

Unless radon gas is discovered in a home inspection, most people remain blissfully unaware that rocks like granite, metal ores, and some soils contain naturally occurring sources of radiation. In most cases, low levels of ...

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