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Human Brains Are Hard to Study. He Grows Useful Substitutes.
With stem cell technology and lab-grown brain organoids, Sergiu Paşca seeks the causes of autism and other neuropsychiatric conditions.
Lab-Grown Human Cells Form Working Circuits in Rat Brains
Letting human brain organoids grow in animal brains could be an ethical new option for experimental studies of neurological disorders.
Why Is Inflammation a Dangerous Necessity?
The immune system protects us from a full spectrum of pathogens, but without balance, it can end up hurting us over time, too. The immunologist Shruti Naik explains how our defenses can turn on us.
Immune Cell Assassins Reveal Their Nurturing Side
Don’t be misled by the bloodthirsty names of immune cells. Mounting research shows that the cells also fine-tune tissues and help the body heal.
Unexpected ‘Germline’ Plant Cells May Shield New Generations
To avoid passing on new mutations to offspring, plants may minimize the number of divisions by the stem cells that make flowers and seeds.
Scientists Debate the Origin of Cell Types in the First Animals
Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors.
To Heal Some Wounds, Adult Cells Turn More Fetal
Once again, body cells reveal unexpected plasticity: In a newly discovered type of wound healing, which some researchers call “paligenosis,” adult cells revert to a more fetal state.