All Stories
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AnimalsMosses hitch rides on the wings of birds
Seeds may travel from far north to south hidden in the feathers of migratory birds.
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NeuroscienceVisualization offers view of a nerve cell’s dispatch center
To get a closer look at how messages move in the brain, researchers created a 3-D visualization that provides a clearer view of how nerve cells communicate.
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Health & MedicineUlcer microbe changes quickly to avoid immune attack
During the initial weeks of infection, Helicobacter pylori, the bacterium that causes stomach ulcers, mutates at a high rate, apparently to evade the body’s defenses.
By Nathan Seppa -
LifeGenetic mutation quenches quantum quirk in algae
Studying algae that can and cannot use quantum coherence to harvest light could lead to better organic solar cells and quantum-based electronic devices.
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EnvironmentE-cigarettes may inflame lungs as much as cigarettes do
Acute lung impacts of e-cigarettes and tobacco cigarettes are nearly identical, new study finds.
By Janet Raloff -
NeuroscienceNeurons pull together as a brain learns
Learning and memory in rats is linked with increases in cortical oscillations, or brain cells firing off in groups, a new study shows.
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PhysicsEnergy-efficient laser works at room temperature
A room-temperature polariton laser, which requires little electricity, could improve electronics and medical devices.
By Andrew Grant -
NeuroscienceBrain signal reappears after ADHD symptoms fade
In adults who no longer have ADHD, brain synchrony appears.
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Health & MedicineObesity on the rise globally
Some 2.1 billion people, almost 30 percent of the world’s population, are overweight or obese.
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Health & Medicine‘Bionic’ pancreas shows promise in diabetes test
Tests of a “bionic pancreas” confirm that the wearable devices can maintain blood glucose levels without the need for finger pricks or insulin shots in patients with type 1 diabetes.
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Quantum PhysicsHow to build a quantum-entangled superclock
A blueprint for a quantum-entangled superclock suggests that such a device could enable startlingly precise measurements of Earth’s terrain.
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Paleontology‘Dinosaurs Without Bones’ gives glimpse of long-gone life
Ichnologist Anthony J. Martin explains his research piecing together dinosaurs’ lives from footprints and other traces.
By Sid Perkins