Placental mammal diversity exploded after age of dinosaurs

An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's largest dataset of ...

Study demonstrates evolution of stereotypes

(Phys.org)—Researchers from Scotland suggest that stereotypes form and evolve over time through social transmission of information, similar to the way in which languages evolve.

Researchers find first-ever 'wanderlust gene' in tiny bony fish

(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University of British Columbia ...

Do good looks get high school students good grades?

Do personal traits predict success in school? If so, which dimension of one's outward appearance can tell the most about academic achievement? The answers to these questions are found in a new study by researchers from the ...

Features that make lizards sexy are resilient to stress

Physical traits and behaviors that make a lizard sexy—features used to attract potential mates and fend off competitors—may be important enough that they do not change in the face of stress. A new study by researchers ...

Rusted root: Weedy rice repeatedly evolves 'cheater' root traits

Weedy rice is neither wild rice nor crop rice, but rice gone rogue that has shed some traits important to people. It also is an incredibly aggressive, potentially detrimental weed that pops up almost everywhere rice is grown, ...

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