Dispatches From Turtle Island

In a recent post at this blog I recapped the evidence for pre-Columbian contact with the Americas after the Beringian land bridge was inund...

A new study has the oldest modern human ancient DNA sequence every analyzed, from 45,000 in Siberia, assigned the name Ust’-Ishim. Some ke...

All particles are either fermions, with total angular momentum J=0.5+N, or bosons, with total angular momentum J=0+N, in each case for N=0, ...

A new review finds that that the surface density of inferred dark matter halos is not universal as previously concluded in other studies. ...

Using the physical masses of Ds, D ∗ s and J/ψ as inputs, Sommer's scale parameter r0 ... the masses of charm quark and strange quark i...

The line between pre-Columbian and post-Columbian history in the New World is October 12, 1492 CE (using the calendar conventions of the tim...

In a new preprint by Wu and Kroupa of October 8, 2014, accepted for publication in MNRAS and entitled "Galactic rotation curves, the ...

Overview Today, the predominant Y-DNA haplogroup of Western Europe (and a fair amount of Northern Europe), inherited via patrilines, is ...

In the Standard Model, W and Z bosons, the weak force carrier bosons, interact only with left-parity fermions. It is perhaps unsurprising ...

Recent studies show that animals far removed from mammals have recognizable personalities. There are extroverted and introverted sharks i...

* Observations regarding the nature of how the mass of fundamental particles arises from their gravitational and non-gravitational self-int...

Archaeologists appear to have found a site from the Bell Beaker archaeological culture in Northeast Poland , the furthest Northeast that evi...

The Moscow experiment still stands by its conclusion that it detected neutrinoless double beta decay ten years ago, even though this conclu...

When a trait confers a selective benefit, i.e. increases the likelihood that someone who has the trait will have more children who reproduce...

Genetic evidence shows that the effective population of men in prehistoric populations was smaller pretty much across the board than the ef...

Another point in the case against dark matter. It is possible to modify or reinterpret the laws of gravity to reproduce essentially all ga...

Humans are part of a subfamily called Homininae made up of chimpanzees, gorillas (of which there are two extant species that share a genus,...