Updated 12 sec ago · auto-refreshing
Trending claims
The fastest-moving factual assertions across the open web, ranked by velocity and weighted by credibility.
Lance Schroyer, whose nomination for ICE director was withdrawn, is a former Oklahoma state trooper.
In people with frontotemporal dementia, von Economo neurons are among the first brain cells to die.
In a September 2026 report, Dr. Pașca and other researchers warned that scientific oversight is evolving too slowly for brain organoid research.
Hongkui Zeng of the Allen Institute said a study was a proof of concept that it is possible to create a human-dominated cortex in a mouse.
Dr. Pașca's team found that a lack of oxygen damaged the transplanted human neurons in mice.
Dr. Pașca’s team found that the transplanted human cells were immature, resembling neurons from a third-trimester fetus's brain.
Scientists discovered that some large human brain cells that grew in mice were a special type known as von Economo neurons.
Von Economo neurons only develop in large, social animals such as whales, elephants, and humans.
In cognitive tests, mice with human brain cells performed about as well as ordinary mice.
Scientists created organoids from human cortex cells for an experiment.
Genetically altered mice used in a study had brains that were almost entirely missing the cortex.
Human cortex organoids were placed into empty spaces in the brains of engineered mice.
In the experiment, transplanted human neurons multiplied from a few hundred thousand to as many as 4 million cells.
Bioethicist John Evans stated the cortex is the part of the brain that results in humanness.
The mice in the study were engineered without an immune system to prevent rejection of human tissue.
The human cortex enables sophisticated use of language and other forms of higher-order thinking.
Dr. Sergiu Pașca's team at Stanford inserted human brain organoids into young rats.
In an experiment with rats, transplanted human organoids grew to occupy about one-third of one side of the rodent's brain.
In a 2022 study, scientists found that flashes of light caused both transplanted human neurons and native mouse neurons to respond.
Scientists altered genes in mice that are essential for growing neurons in the cortex.