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Discovery's First Launch: Four Times on the Pad

Neal, Valerie (Smithsonian National Air and Space Museum, 2014)

Discovery, Collection and Description of the Middle Cambrian Burgess Shale Biota by Charles Doolittle Walcott

Yochelson, Ellis L. (1996)

Discovery, Synthesis, and Biological Evaluation of Anaenamides C and D from a New Marine Cyanobacterium, Hormoscilla sp br

Brumley, David A.; Gunasekera, Sarath P.; Sauvage, Thomas; dos Santos, Larissa A. H.; Chen, Qi-Yin; Paul, Valerie J.; Luesch, Hendrik (2022)

Our ongoing efforts to explore the chemical space associated with marine cyanobacteria from coral reefs of Guamhave yielded two new members of the anaenamide family ofnatural products, anaenamides C (3)and D (4). Thesecompounds ...

Discovery, Synthesis, Pharmacological Profiling, and Biological Characterization of Brintonamides A-E, Novel Dual Protease and GPCR Modulators from a Marine Cyanobacterium

Al-Awadhi, Fatma; Gao, Bowen; Rezaei, Mohammad A.; Kwan, Jason C.; Li, Chenglong; Ye, Tao; Paul, Valerie J.; Luesch, Hendrik (2018)

Five novel modified linear peptides named brintonamides A-E (1-5) were discovered from a marine cyanobacterial sample collected from Brinton Channel, Florida Keys. The total synthesis of 1-5 in addition to two other ...

Discovery, Total Synthesis and Key Structural Elements for the Immunosuppressive Activity of Cocosolide, a Symmetrical Glycosylated Macrolide Dimer from Marine Cyanobacteria

Gunasekera, Sarath P.; Li, Yang; Ratnayake, Ranjala; Luo, Danmeng; Lo, Jeannette; Reibenspies, Joseph H.; Xu, Zhengshuang; Clare-Salzler, Michael; Ye, Tao; Paul, Valerie J.; Luesch, Hendrik (2016)

A new dimeric macrolide xylopyranoside, cocosolide (1), was isolated from the marine cyanobacterium preliminarily identified as Symploca sp. from Guam. The structure was determined by a combination of NMR spectroscopy, ...

Discovery, Total Synthesis, and SAR of Anaenamides A and B: Anticancer Cyanobacterial Depsipeptides with a Chlorinated Pharmacophore

Brumley, David A.; Gunasekera, Sarath P.; Chen, Qi-Yin; Paul, Valerie J.; Luesch, Hendrik (2020)

Discovery: Bisected Use of One-Cent 1851 Stamp

Cipolla, Roland H. (2013)

Discovery: Champion of the Space Shuttle Fleet

Neal, Valerie; (2014)

The discrepancy between solar radiation measures by the actinometer and by the spectro-bolometer

Fowle, Frederick E. (1905)

Discrete levels of beginning height of meteors in streams

Cook, Allan F. (1973)

Of the 26 streams of meteors classified according to Ceplecha's discrete levels of beginning height, 13 are associated with known comets. Comet Biela produced in the Andromedids a double-peaked distribution (Classes A and ...

A Discrete Set of Possible Transit Ephemerides for Two Long-period Gas Giants Orbiting HIP 41378

Becker, Juliette C.; Vanderburg, Andrew; Rodriguez, Joseph E.; Omohundro, Mark; Adams, Fred C.; Stassun, Keivan G.; Yao, Xinyu; Hartman, Joel; Pepper, Joshua; Bakos, Gaspar; Barentsen, Geert; Beatty, Thomas G.; Bhatti, Waqas; Chontos, Ashley; Collier Cameron, Andrew; Hellier, Coel; Huber, Daniel; James, David; Kuhn, Rudolf B.; Lund, Michael B.; Pollacco, Don; Siverd, Robert J.; Stevens, Daniel J.; Cardoso, José Vinícius de Miranda; West, Richard (2019)

In 2015, K2 observations of the bright (V = 8.9, K = 7.7) star HIP 41378 revealed a rich system of at least five transiting exoplanets, ranging in size from super-Earths to gas giants. The 2015 K2 observations only spanned ...

Discrete sources as the origin of the Galactic X-ray ridge emission

Revnivtsev, M.; Sazonov, S.; Churazov, Eugene; Forman, William R.; Vikhlinin, Alexey A.; Sunyaev, R. (2009)

Discrete star formation events in the central bar of the Small Magellanic Cloud

Strantzalis, A.; Hatzidimitriou, D.; Zezas, A.; Antoniou, Vallia; Lianou, S.; Tsilia, S. (2019)

We present the results of the photometric analysis of a large part of the main body of the Small Magellanic Cloud. Using the 6.5m Magellan Telescope at the Las Campanas Observatory in Chile, we have acquired deep B and I ...

Discriminación en el mimetismo de vuelo de las mariposas de las pasifloras del género Heliconius

Srygley, Robert B.; Ellington, Charles P. (Editora Nova Art, 2007)

Discriminant analysis of Indo-West Pacific <I>Flabellum</I>

Cairns, Stephen D. (1989)

A Discriminant Function Analysis of the Frogs of the Genus Adenomera (Amphibia, Leptodactylidae)

Heyer, W. Ronald (1977)

Discriminating males and unpredictable females: Males bias sperm allocation in favor of virgin females

Bonilla, Melvin M.; Zeh, David W.; White, Angela M.; Zeh, Jeanne A. (2011)

Abstract When both sexes mate with multiple partners, theory predicts that males should adjust their investment in ejaculates in response to the risk and/or intensity of sperm competition. Here, we demonstrate that, in the ...

Discriminating the Progenitor Type of Supernova Remnants with Iron K-shell Emission

Yamaguchi, Hiroya; Badenes, Carles; Petre, Robert; Nakano, Toshio; Castro, Daniel; Enoto, Teruaki; Hiraga, Junko S.; Hughes, John P.; Maeda, Yoshitomo; Nobukawa, Masayoshi; Safi-Harb, Samar; Slane, Patrick O.; Smith, Randall K.; Uchida, Hiroyuki (2014)

Supernova remnants (SNRs) retain crucial information about both their parent explosion and circumstellar material left behind by their progenitor. However, the complexity of the interaction between supernova ejecta and ...

Discrimination between Atlantic salmon (Salmo salar) of North American and European origin using restriction analyses of mitochondrial DNA

Bermingham, Eldredge; Forbes, S. H.; Friedland, K.; Pla, C. (1991)

Twenty restriction endonucleases were used to study mitochondrial DNA (mtDNA) polymorphism in 11 hatchery strains of Atlantic salmon (Salmo salar) representing geographically separated populations in Europe and North ...

Discrimination between prey types: an innate component of the predatory behaviour of araneid spiders

Robinson, Michael H.; Robinson, Barbara C. (1976)

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