Linda A. Johnson Latest articles by Linda A. Johnson Some Alzheimer's Drugs Very Risky By Linda A. Johnson published 12 October 06 Alzheimers & Dementia Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Scientists tracked faint signals from the stars — and may have turned up hundreds of undiscovered planets2Humans are being replaced by machines in the food supply chain — and it's leading to truckloads of waste3'Exposed Cranium' leaks its gory secrets in new James Webb telescope images: Space photo of the week4Why aren't mammals as colorful as reptiles, birds or fish? 5Enormous 3D map of the universe shows brilliant 'sea of light' near the cosmic dawn
