stem cells, evolution, ecology
Reimagining Humanity
Reimagining Humanity
Ian Tattersall | Jun 1, 2015
As the science of paleoanthropology developed, human evolutionary trees changed as much as the minds that constructed them.
Human Genes Can Save Yeast
Human Genes Can Save Yeast
Ruth Williams | May 21, 2015
Replacing yeast genes with their human equivalents reveals functional conservation despite a billion years of divergent evolution.
Fish Make Their Own Sun Protection
Fish Make Their Own Sun Protection
Jenny Rood | May 14, 2015
Zebrafish and other vertebrates have the enzymatic machinery to synthesize gadusol, an ultraviolet light-absorbing compound.
The Evolution of Social Bees
The Evolution of Social Bees
Ruth Williams | May 14, 2015
Scientists describe the genetic changes associated with solitary-to-social transitions throughout bee evolution.
Opinion: New Models for ASDs
Opinion: New Models for ASDs
Alysson R. Muotri | May 14, 2015
The study of mini “brains” in a dish, derived from patient cells, offers a novel approach for autism spectrum disorder research.
Dino Snouts from Chicken Beaks
Dino Snouts from Chicken Beaks
Bob Grant | May 13, 2015
Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.
Estimating Epigenetic Mutation Rates
Estimating Epigenetic Mutation Rates
Jenny Rood | May 11, 2015
Generation-spanning maps of Arabidopsis thaliana DNA methylation allow researchers to compute how quickly epigenetic marks appear and disappear in the plant’s genome.
The Rise of Heads
The Rise of Heads
Bob Grant | May 11, 2015
A 500 million-year-old brain fossil yields clues to the evolution of heads.
Oldest Ancestor of Modern Birds Found
Oldest Ancestor of Modern Birds Found
Jenny Rood | May 6, 2015
Fossils of a new species discovered in China suggest birds developed 6 million years earlier than previously thought.
New Stem Cell Identified
New Stem Cell Identified
Anna Azvolinsky | May 6, 2015
Researchers isolate an easy-to-manipulate, stable, and spatially distinct pluripotent cell type.