zoonotic diseases, evolution, immunology
Double Duplication
Hayley Dunning | Jul 24, 2012
Two whole genome duplications boosted the complexity of the ancestor of all vertebrates, but also introduced potential for disease.
The Polar Bear’s Prehistoric Past
Ed Yong | Jul 23, 2012
Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.
Sex Drives Chromosome Evolution
Ruth Williams | Jul 19, 2012
A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.
Flies Evolve to Count
Hayley Dunning | Jul 12, 2012
Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.
Small-Brained Fish Make More Babies
Edyta Zielinska | Jul 12, 2012
Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.
Genetic Shift in Salmon
Cristina Luiggi | Jul 12, 2012
A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.
Mass Extinctions Set the Pace
Hayley Dunning | Jul 5, 2012
The rate of evolution is affected for millenia after mass extinctions.
Opinion: One Microbe’s 15 Minutes
David Smith | Jul 3, 2012
The recently hyped amoeba-flagellate Collodictyon has many secrets to tell about early eukaryotic evolution.
Capsule Reviews
Bob Grant | Jul 1, 2012
Evolving, The Moral Molecule, Aping Mankind, and Experiment Eleven
The First Australopithecus, 1925
Sabrina Richards | Jul 1, 2012
The discovery of the 2.5-million-year-old Taung Child skull marked a turning point in the study of human brain evolution.