Illustration of a human and Neanderthal skull side by side.
Mutation Linked to Difference Between Human and Neanderthal Brains
A single amino acid substitution in a protein causes increased neuron production in the frontal lobes of humans compared to Neanderthals—a tiny difference that could have given our species a cognitive edge, researchers say.
Mutation Linked to Difference Between Human and Neanderthal Brains
Mutation Linked to Difference Between Human and Neanderthal Brains

A single amino acid substitution in a protein causes increased neuron production in the frontal lobes of humans compared to Neanderthals—a tiny difference that could have given our species a cognitive edge, researchers say.

A single amino acid substitution in a protein causes increased neuron production in the frontal lobes of humans compared to Neanderthals—a tiny difference that could have given our species a cognitive edge, researchers say.

embryonic tissue
Early Embryo Models Generated from Mouse Stem Cells
Abby Olena | Oct 17, 2019
Extended pluripotent stem cells from mice can self-organize to form blastocyst-like structures called blastoids that enable a closer look at early mammalian development.
Indiana University Contests Aborted Tissue Law
Aggie Mika | Aug 25, 2017
The university argues that the law prohibiting the use of aborted fetal tissue for research is unconstitutional.
Image of the Day: Stretchy Chicken Skin
The Scientist Staff | Aug 25, 2017
In a developing chicken embryo, skin cells pull on each other, forming multicellular mounds that eventually turn into properly-spaced feathers.