Science - USA (2019-08-30)

ArchaeoGLOBE Project,Science 365 , 897–902 (2019) 30 August 2019 2of6 Fig. 2. Archaeological expertise, data quality, and publis ...

Southwest Asia and eastern China and through new domestications in the Americas, New Guinea, and Africa. By 6000 yr B.P., 42% of ...

biases in the pursuit and construction of ar- chaeological knowledge, including the applica- tion of environmental archaeologica ...

Globally widespread evidence of hunter- gatherer land use indicates that ecological con- ditions across most of the terrestrial ...

patchwork of different peoples or seasonal shifts. The environmental effects of such mixed- mode land use are difficult to see i ...

REPORT ◥ MANTLE CHEMISTRY Deep magma ocean formation set the oxidation state of Earth’s mantle Katherine Armstrong*, Daniel J. F ...

glass formation when quenching at high pres- sures. We used two starting compositions so that we could approach the equilibrium ...

and Vesta were of insufficient depth to cause dis- proportionation. This explains why their mantles aremorereduced[closertoIW( 1 ...

M. Schönbächler, R. W. Carlson, M. F. Horan, T. D. Mock, E. H. Hauri,Science 328 , 884–887 (2010). B. Marty,Earth Planet. Sci. ...

SUPERCONDUCTIVITY Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor R. Arpa ...

Figure 3 summarizes the outcome of the fit- tings for the samples UD60 and OP90, whereas fig. S6 reports the corresponding resul ...

additional phonon contribution and elastic scat- tering were subtracted). To better extract the charge density contribution, we ...

character and, because of strong quantum ther- mal dynamical fluctuations, they acquire a truly static character only belowT3D. ...

2017-00382“Evolution of nanoscale charge order in superconducting YBCO nanostructures”(R.A.); and the University of Rome Sapienz ...

ORGANIC CHEMISTRY Redox-neutral organocatalytic Mitsunobu reactions Rhydian H. Beddoe^1 , Keith G. Andrews^1 , Valentin Magné^1 ...

methods generally require activated carboxylic acid derivatives, coupling reagents, or strongly acidic conditions. As such, cata ...

Beddoeet al.,Science 365 , 910–914 (2019) 30 August 2019 3of5 Fig. 2. Substrate scope of the catalytic Mitsunobu inversion react ...

The tosic acid was recovered (87%) from the crude reaction mixture. Subsequent reduction and thiourea formation afforded the act ...

A. J. A. Watson, J. M. J. Williams,Science 329 , 635–636 (2010). M. H. S. A. Hamidet al.,J. Am. Chem. Soc. 131 , 1766– 1774 (20 ...

MAGNETISM Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet Takashi Kurumaji^1 *, ...