The biological basis for variations in human intelligence is not well understood ... One well-known hypothesis, backed by evidence from brain scans and studies of people with brain lesions, proposes ...

The amount of microplastics in the human brain appears to be increasing over time: Concentrations rose by roughly 50 percent ...

View Full Profile. Learn about our Editorial Policies. To grow brain organoids, researchers have traditionally cultured human induced pluripotent stem cells (iPSCs), which develop into clumps of ...