A vast number of species depend on sexual reproduction for survival. Sex facilitates adaptation and rids populations of deleterious mutations. Despite the benefits of this...


Mark Blaxter (Institute of Evolutionary Biology, University of Edinburgh) reports on the “Caenorhabditis Genomes Project” workshop at GSA’s recent 20th International C. elegans Meeting. Caenorhabditis elegans,...


For Lake Whitefish, history has repeated itself. Across the St. John River region that spans Québec and Maine, these freshwater fish have continually evolved in...


Bdelloid rotifers have been veiled in mystery for decades. Despite extensive studies of this class of tiny freshwater invertebrates, no one has observed any trace...


If not for a single-nucleotide mutation, each kernel on a juicy corn cob would be trapped inside an inedible casing as tough as a walnut...


Directly observing evolution in nature is often impossible. But biologists who use experimental systems to study these processes have the luxury of observing the fine...


The vibrant passion-vine butterfly species Heliconius erato doesn’t taste as good as it looks. The flesh of this South and Central American species accumulates toxic...


With 1014 authors, an article by Leung et al. in the May issue of G3 has the largest author list of any paper published in...


Forest forecasts

April 14, 2015

In 2009, after five years parching under the arid blue skies of Calcena in northeastern Spain, dozens of neat rows of maritime pine seedlings had...


When an eastern diamondback rattlesnake bites its prey, it injects a cocktail of toxic proteins and peptides that attack on multiple fronts. These toxins destroy...