technology, developmental biology, evolution
Infographic: Evolving Virulence
Infographic: Evolving Virulence
Andrew F. Read and Peter J. Kerr | Sep 30, 2017
Tracking the myxoma virus in the wild rabbit populations of Australia has yielded insight into how pathogens and their hosts evolve.
Infographic: Macrophages Around the Body
Infographic: Macrophages Around the Body
Claire Asher | Sep 30, 2017
In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.
In Canada, Signs of Life Nearly 4 Billion Years Old
In Canada, Signs of Life Nearly 4 Billion Years Old
Ashley P. Taylor | Sep 28, 2017
Embedded within 3.95-billion-year-old rock, scientists have found graphite with a carbon signature that indicates biological activity.
Coastal Critters Make Epic Voyages After 2011 Tsunami
Coastal Critters Make Epic Voyages After 2011 Tsunami
Ashley Yeager | Sep 28, 2017
Marine species survived rafting thousands of kilometers on debris swept into the water by the giant wave, scientists say.
Water Level in a Cell Can Determine Its Fate
Water Level in a Cell Can Determine Its Fate
Kerry Grens | Sep 27, 2017
Adding or removing water changes how stem cells differentiate.
How Poison Frogs Avoid Poisoning Themselves
How Poison Frogs Avoid Poisoning Themselves
Abby Olena | Sep 21, 2017
Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor.
CRISPR Used in Human Embryos to Probe Gene Function
CRISPR Used in Human Embryos to Probe Gene Function
Ashley P. Taylor | Sep 20, 2017
OCT4 is necessary for blastocyst formation in the human embryo, researchers report.
Second Chance for Lost Galapagos Tortoises?
Second Chance for Lost Galapagos Tortoises?
Bob Grant | Sep 14, 2017
Researchers are trying to recreate an extinct species of the lumbering reptiles by breeding closely related species that contain traces of the lost lineage’s DNA.
Sea Anemones Illuminate the Evolution of Embryo Development
Sea Anemones Illuminate the Evolution of Embryo Development
Abby Olena | Sep 11, 2017
A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.
Mongolian Dinosaurs and the Poaching Problem
Mongolian Dinosaurs and the Poaching Problem
David Moscato | Sep 8, 2017
High-profile cases of poached fossils shine a light on the black market for paleontological specimens—and how scientists and governments are trying to stop it.