Image of the Day: Structural Colors
Image of the Day: Structural Colors
The films coating buckeye butterflies’ wing scales vary in thickness, creating a broad spectrum of iridescent colors.  
Image of the Day: Structural Colors
Image of the Day: Structural Colors

The films coating buckeye butterflies’ wing scales vary in thickness, creating a broad spectrum of iridescent colors.  

The films coating buckeye butterflies’ wing scales vary in thickness, creating a broad spectrum of iridescent colors.  

artificial selection

The Evolution of Beer Yeast
Ben Andrew Henry | Sep 11, 2016
Sequencing more than 150 yeast genomes, scientists describe distinct lineages cultivated by humans for making beer and wine.
Dog Domestication History Clarified
Bob Grant | Jun 3, 2016
A study suggests that wolves were transformed into man’s best friend more than once, in Asia and in Europe or the Near East.
Building Bigger Beefsteaks
Tracy Vence | Aug 1, 2015
Understanding the genetics of stem cell population maintenance in plants producing jumbo tomatoes could help scientists generate more-massive fruits.
Small Genetic Change Yields Edible Corn
Amanda B. Keener | Jul 13, 2015
Researchers attributed corn’s soft, edible casing to a single DNA base swap in its ancestor’s genome.
Evolution in Oil Droplets
Bob Grant | Dec 9, 2014
For the first time, researchers have mimicked biological evolution using chemicals instead of living organisms.
A New Breed
Kerry Grens | Dec 1, 2014
Genomics and advanced reproductive technologies have turned cattle breeding into a whole new animal.
Clone Wars
Kerry Grens | Nov 30, 2014
Watch scenes from the 2013 World Dairy Expo, where KHW Regiment Apple-Red-ET won the reserve championship while her clone took home the grand championship.
Opinion: Evolving CO2-Hungry Crops
Mark Howden, Lewis H. Ziska | Dec 4, 2012
Breeding plants that can convert more carbon dioxide to food could help feed a growing population.
Evolving Multicellularity
Jef Akst | Jan 16, 2012
Using an artificial selection paradigm, researchers watch as unicellular yeast evolve into snowflake-like clusters with distinct multicellular characteristics.
Rewriting E. coli’s Genetic Code
Sabine Louët | Aug 5, 2011
Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.