Animals
At last: How poison dart frogs ship defense toxins to their skin
A liver protein appears to help the amphibians collect and move toxins from their food to their skin. Those toxins can defend the frogs from predators.
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A liver protein appears to help the amphibians collect and move toxins from their food to their skin. Those toxins can defend the frogs from predators.
Carbon capture technology tackles climate change by stomping out carbon dioxide at the source.
Writing with a pen — but not typing — boosted links between regions used for motion and memory. That may help explain why writing fosters learning.
Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
This math, and the geometers who use it, can solve problems from how to stack oranges to designing better vaccines.
Blueberries actually have dark red pigments — no blue ones — in their skin. Tiny structures in the fruits’ waxy coat are what make them seem blue.
Flint, Mich., residents still show health impacts long after a switch in their drinking-water source exposed them to toxic lead and other pollutants.
A total solar eclipse will race across North America on April 8, 2024, providing a rare opportunity for both scientists and casual observers.
Carbon capture technology tackles climate change by stomping out carbon dioxide at the source.