Related topics: plos one · genes

Over-identifying restrictions in economic analysis

The analysis of empirical economics has long made use of a tool called the generalized method of moments (GMM). This method is used as a generic way of estimating parameters in an empirical model where the general shape of ...

Colour variability in Crimson Rosellas is linked to a virus

Despite its name, the Crimson Rosella is perhaps Australia's most colour-variable bird and a cause of this striking and beautiful diversity seems to be a disease that's potentially deadly to many other parrots.

Researchers film protein quake for the first time

One of nature's mysteries is how plants survive impact by the huge amounts of energy contained in the sun's rays, while using this energy for photosynthesis. The hypothesis is that the light-absorbing proteins in the plant's ...

Bats bolster brain hypothesis, maybe technology, too

Amid a neuroscience debate about how people and animals focus on distinct objects within cluttered scenes, some of the newest and best evidence comes from the way bats "see" with their ears, according to a new paper in the ...

Some dogs find kennels exciting, not stressful

New research suggests that dogs who spend a short time in boarding kennels may not find it unduly stressful and could in fact find the change of scenery exciting.

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