News
- Health & Medicine
Like a prion, Alzheimer’s protein seeds itself in the brain
Injecting amyloid-beta into mice may induce misfolding of native amyloid-beta molecules, leading to the buildup associated with the neuron-killing disease.
- Life
Peacocks ruffle feathers, make a rumble
New recordings reveal that male birds use infrasound, emitting low-pitch sounds detected by peers but inaudible to human ears.
- Tech
The descent of music
Using an evolutionary process, researchers create pleasing tunes out of grating noise.
- Astronomy
Giant celestial disk hard to explain
A star's oversized debris ring challenges theories of planet formation.
