A new University of Barcelona study reveals the first empirical genetic evidence of human self-domestication, a hypothesis that humans have evolved to be friendlier and more cooperative by selecting their companions depending ...
Evolution
Dec 4, 2019
3
3833
Lamprey are blood-sucking vampire-like fish that attach to and eventually kill game fish, making them the bane of many a fisherman's existence. Like something out of a horror film, these parasites use radial rows of sharp ...
Plants & Animals
Nov 19, 2019
0
355
Neural crest cells—embryonic cells in vertebrates that travel throughout the body and generate many cell types—have been thought to originate in the ectoderm, the outermost of the three germ layers formed in the earliest ...
Cell & Microbiology
Oct 23, 2019
0
57
During embryonic development, the entire nervous system, the skin and the sensory organs emerge from a single sheet of cells known as the ectoderm. While there have been extensive studies of how this sheet forms all these ...
Cell & Microbiology
Oct 17, 2019
0
70
During the lifetime of a body—whether human, fish or any other type of vertebrate—cells die, making room for fresh new cells to carry on vital processes. The dead cells must be cleared away, though, and debris removal ...
Cell & Microbiology
Sep 6, 2019
0
36
The embryonic stem cells that form facial features, called neural crest cells, use an unexpected mechanism of moving from the back of the head to the front to populate the face, finds a new UCL-led study.
Cell & Microbiology
Oct 18, 2018
0
70
Scientists from the University of Bath have helped to figure out why shoals of fish flash silver as they twist through the water by studying how the shiny silver cells are created in zebrafish.
Biotechnology
Oct 10, 2018
0
11
In 1959, Russian scientists began an experiment to breed a population of silver foxes, selecting and breeding foxes that exhibited friendliness toward people. They wanted to know if they could repeat the adaptations for tameness ...
Evolution
Sep 24, 2018
0
267
Placodes and neural crests are defining features of vertebrates (animals with a spinal cord surrounded by cartilage or bone). Placodes are embryonic structures that develop into sensory organs such as ear, nose, and lens ...
Evolution
Aug 1, 2018
0
86
A new type of zebrafish that produces fluorescent tags in migratory embryonic nerve precursor cells could help a Rice University neurobiologist and cancer researcher find the origins of the third-most common pediatric cancer ...
Cell & Microbiology
Jul 9, 2018
0
139
