Latest Selection Stories
Customers Granted Special Access to the New Luxury Sports Sedan at Select Airport Locations ST. LOUIS, Nov.
UC Riverside research shows fish with placentas are smaller and less brightly colored than non-placental fish
Since the days of Darwin, scientists have considered bird song to be an exclusively male trait, resulting from sexual selection. Now a team of researchers say that's not the whole story.
The correlations between evolution and sperm, infidelity and sex will be a key element of Sexus, which will open in mid-February – and stay open for the entire year – to celebrate the museum’s bicentennial.
Introducing a new approach that combines evolutionary and engineering analyses to identify the targets of natural selection
A range of examples suggests a lack of information about their fellows can favor cooperation and prevent conflict among animals — and even among genes
Saving energy is important for humans and animals alike when resources are limited.
Biologists have been observing the “selfish” genetic entity segregation distorter (SD) in fruit flies for decades. Its story is a thriller among molecules, in which the SD gene destroys maturing sperm that have a rival chromosome. A new study reveals a tactic that gives SD’s villainy an extra edge.
A new genome-wide analysis searched for evidence of long-lived balancing selection - where the evolutionary process acts not to select the single best adaptation but to maintain genetic variation in a population. The study revealed at least six regions of the genome where humans and chimpanzees share the same combination of genetic variants.
- A person who stands up for something, as contrasted to a bystander who remains inactive.
- One of the upright handlebars on a traditional Inuit sled.