Weird chromosome may have spurred evolution of thousands of songbirds | New Scientist

Songbirds appear to have an extra chromosome in cells involved in sexual reproduction. The extra DNA could help explain why there are so many songbird species

Source: Weird chromosome may have spurred evolution of thousands of songbirds | New Scientist

Climate policy implications of nonlinear decline of Arctic land permafrost and other cryosphere elements | Nature Communications

Article

Source: Climate policy implications of nonlinear decline of Arctic land permafrost and other cryosphere elements | Nature Communications

Time Machine: Re-Visiting the Golden Age of Greek Science

The study of the eonic effect helps to understand the beginnings of science in the ‘axial’ interval of the eonic sequence…
World History and the Eonic Effect

I gave a lecture recently at the Hellenic Library at Bellflower, California. I spoke about the Antikythera Mechanism: a 2,200 years-old computer that predic

Source: Time Machine: Re-Visiting the Golden Age of Greek Science

Satellite DNA is Essential and Species-Specific in Drosophila melanogaster | Uncommon Descent

This week’s “we thought it was junk but it turned out to be crucial” study comes with the added bonus that the so-called “junk” is also species-specific / taxonomically restricted. The general topic is tandemly repeated satellite DNA in the much studied fruit fly, Drosophila melanogaster. These sate

Source: Satellite DNA is Essential and Species-Specific in Drosophila melanogaster | Uncommon Descent