Science - USA (2021-07-09)

CATALYSIS Stable and selective catalysts for propane dehydrogenation operating at thermodynamic limit Ali Hussain Motagamwala1,2 ...

the superior performance of the Pt 1 Sn 1 /SiO 2 catalyst. Increasing the Sn:Pt atomic ratio on SiO 2 -supported catalysts to th ...

propylene yield data, reported as a function of time for different catalysts, were analyzed assuming first-order deactivation ki ...

Data in Fig. 3A show that the process of mixing chloroplatinic acid (H 2 PtCl 6 ) and tin(II) chloride (SnCl 2 ) in 0.1 M hydroc ...

SCIENCEsciencemag.org 9JULY2021•VOL 373 ISSUE 6551 221 Fig. 4. Characterization of Pt 1 Sn 1 /SiO 2 catalysts.(A)DRIFTSspectraof ...

To further confirm the presence of PtSn surface alloys, XPS of the freshly reduced Pt 1 Sn 1 /SiO 2 catalyst showed that the ato ...

PHYSIOLOGY Skeletal muscle thermogenesis enables aquatic life in the smallest marine mammal Traver Wright1,2*, Randall W. Davis^ ...

ratio (FCR; OXPHOS/ETS) of 0.87 (Table 1 and table S1), indicating that phosphorylation ca- pacity limits maximum OXPHOS respira ...

As a group, carnivorous marine mammals (e.g., whales, dolphins, and seals) have a 2.3-fold increase in BMR relative to the allom ...

SENSORY EVOLUTION Early origin of sweet perception in the songbird radiation Yasuka Toda1,2,3, Meng-Ching Ko^4 , Qiaoyi Liang^4 ...

were still functional and suggesting a distinct mechanism for sugar detection in each radia- tion (Fig. 3, A and B, and fig. S6) ...

228 9JULY2021•VOL 373 ISSUE 6551 sciencemag.org SCIENCE white-eyesbulbuls tits canaries tyrant antshrikesflycatchershoneyeaters ...

of the protein rather than via identical residues. In T1R3, functionally important sites are located across the protein, includi ...

retained an ancestral sensory ability as they radiated out of Australia and colonized diverse habitats across the planet. This s ...

C. H. Oliveroset al.,Proc. Natl. Acad. Sci. U.S.A. 116 , 7916 – 7925 (2019). A. H. Thornhillet al.,Aust. Syst. Bot. 32 , 29–48 ...

in part why they are not easily found in public domain RNA-seq datasets. Nonetheless, they resulted in detectable protein, as im ...

dice dsRNA into siRNAs, a hallmark of Dicers involved in antiviral RNAi. To assess the ability of aviD to mediate anti- viral RN ...

to express the SARS-CoV-2 entry receptor ACE2 (angiotensin-converting enzyme 2) (fig. S2D). We observed a factor of 3 reduction ...

protect adult stem cells from ZIKV and SARS- CoV-2 virus infection by orchestrating an anti- viral RNAi response. Our results sh ...

the only isoform expressed in the cell; this would imply that aviD is not fully specialized for antiviral RNAi. Antiviral RNAi h ...