
Health & Medicine
Microplastics are in our bodies. Here’s why we don’t know the health risks
Researchers are racing to try to understand how much humans are exposed and what levels are toxic.
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Researchers are racing to try to understand how much humans are exposed and what levels are toxic.
An analysis of oceanic rocks hinted that ocean water drains into Earth’s mantle. How much makes it back into the ocean remains unclear.
Seismic waves suggest that Earth has a hidden heart, a distinct region within the solid part of the planet’s core.
Deeply buried remnants of a hypothetical planet that slammed into Earth 4.5 billion years ago might have set subduction into motion.
Some farmers in the western United States are forgoing irrigation, which can save on water and produce more flavorful fruits and vegetables.
Scientists detail the chain of chemical reactions that occur when wildfire smoke enters the stratosphere.
For at least eight years, the oil disaster continued to kill soil-retaining marsh plants along the Louisiana coast, accelerating shoreline loss.
Boreal forests store about one-third of the world’s land-based carbon. With wildfires increasing there, fighting climate change could get even harder.
Scientists have explored the recesses of an Antarctic glacier that is currently stable, helping improve predictions of the continent’s fate.
Relatively long-lived lightning strikes are the most likely to spark wildfires and may become more common as the climate warms.
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