colonists, evolution, ecology
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.
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.
The Caterpillar that Cries Wolf
The Caterpillar that Cries Wolf
Mary Bates | Sep 22, 2017
In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.
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.
Largest and Smallest Animals at Highest Risk of Extinction, Study Finds
Largest and Smallest Animals at Highest Risk of Extinction, Study Finds
Ashley P. Taylor | Sep 19, 2017
Researchers recommend greater conservation efforts toward non-mammals and small creatures.
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.
Fingerprints of Ongoing Human Evolution Found
Fingerprints of Ongoing Human Evolution Found
Shawna Williams | Sep 5, 2017
Genetic variants in Alzheimer’s- and smoking-related genes appear to be under selection pressure, according to a study comparing the genomes of old and young participants.