Monday, January 28, 2019

Birds-of-paradise genomes target sexual selection

Researchers provide genome sequences for 5 birds-of-paradise species: 3 without previous genome data and 2 with improved data. Birds-of-paradise are classic examples of extreme sexual selection due to generations of females choosing mates based on 'attractiveness'. The result is unparalleled species radiation with males exhibiting vast differences in behavior and an array of exotic feathers. Analyses identified genes potentially involved in feather characteristics, and the sequences will serve as a rich resource for evolution studies.

from Latest Science News -- ScienceDaily http://bit.ly/2UomlId

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JWST spots a strange red dot so extreme scientists can’t explain it

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose an entirely new...