HealthMicroglia: How the brain’s immune cells may be causing dementia They fight invaders, clear debris and tend neural connections, but sometimes microglia go rogue. Preventing this malfunction may offer new treatments for brain conditions including Alzheimer's Features
EnvironmentHow climate change has pushed our oceans to the brink of catastrophe For decades, the oceans have absorbed much of the excess heat caused by greenhouse gases. The latest observations suggest they are reaching their limits, so how worried should we be? Features