News
- Earth
Gulf oil spill a slow-motion hurricane
The accident’s timing could determine how badly it damages coastal marshes.
- Health & Medicine
Epigenetic changes show up in people with PTSD
Study finds alterations in genes tied to immune system and brain development, but whether they cause the disorder remains unclear.
- Physics
Making clouds with lasers
Inspired by a classic particle physics experiment, researchers get water droplets to condense by shooting a light beam skyward.
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- Physics
Reverse engineering a quantum compass
Physicists propose a method that could explain how birds’ magnetic-sensing organs work.
