One problem: The ancient dates came from the soil, not the artifacts themselves.
The oldest dates come from the states Rio de Janeiro and São Paulo, indicating that there was an occupation as far back as the 6th century BC.
But those dates come from the youngest reliably dated fossils that have been found, and who is to say there aren't even younger fossils out there?
It was to me, one of the clearest and most lasting messages to date coming from the movement, because that sort of rhetoric has tangible links to easily recognizable policy inequalities: on reserves aboriginal youth receive a quarter of the funding for primary school educations as the rest of Canadians.
The most potent political challenges to the president's conduct of the war on terror have to date come from the Right.Republicans delight in portraying Mr Obama and his government as being soft on Islamic extremists, most recently denouncing his attorney-general, Eric Holder, for allowing the surviving Boston bombing suspect to be read his civilian legal rights.
The largest number of waveforms from a single earthquake to date comes from the M5.2 Borrego Springs earthquake in Southern California, for which MyShake collected 103 useful three-component waveforms.
This latter supposition was supported by the fact that approximately 50% of 'definite' classifications recorded before the coded date came from the text of letters (as opposed to about 25% recorded on the date of diagnosis).
The largest published report to date came from the Japan Collaborative Cohort Study, in which a total of 9,643 deaths were recorded and daytime napping was found to be associated with increased mortality from specific causes, particularly CVD (16).
The most extensive safety and tolerability data to date come from the 96-week Phase IIb trial, in which the median duration of follow-up extended to over 100 weeks.
The best evidence to date comes from the out-of-hospital comparison of epinephrine versus vasopressin reported by Wenzel and coworkers [ 6], which showed no difference in survival between treatment groups.
