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LifePrions complicit in Alzheimer’s disease
A study in mice suggests a version of prion proteins, which are known to cause the brain-wasting mad cow and Creutzfeldt-Jakob diseases, may also play a role in neuron malfunction.
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LifeNew stegosaur is quite a stretch
A newly discovered stegosaur has neck proportions like those of sauropods.
By Sid Perkins -
AnimalsClimate change discourages second families
Birds out of sync with local baby food supply of caterpillars aren’t nesting a second time.
By Susan Milius -
LifeTastes like metal
Scientists have discovered that proteins that help sense sweet and spice also help taste metals.