Summary: Alois Alzheimer, who described the first case of the disease now named after him, would have been 150 years old this week. But what have we discovered about the disease since he presented the first Alzheimer's case over 100 years ago? And how can fruit flies, arm hair and video games untangle the most significant threat to our generation? Plus, in the news, how making mosquitoes male could reduce malaria, protecting astronauts from solar radiation, and why is beetle sex a sticky situation...
