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Nature, Gale, Ovid from 2002, CSA, and Proquest

  1. Hes1 is a target of microRNA-23 during retinoic-acid-induced neuronal differentiation of NT2 cells.

    Nature 423(6942):838 (2003) PMID 12808467

    MicroRNAs (miRNAs) are phylogenetically widespread small RNAs of 18-25 nucleotides in length, and are found in animals and plants. These small RNAs can regulate gene expression at a translational level through interactions with their target messenger RNAs, and they have a role in the development...
  2. US army attacked over published patent for 'bioweapons grenade'.

    Nature 423(6942):789 (2003) PMID 12815386

  3. A very energetic supernova associated with the gamma-ray burst of 29 March 2003.

    Nature 423(6942):847 (2003) PMID 12815425

    Over the past five years evidence has mounted that long-duration (>2 s) gamma-ray bursts (GRBs)-the most luminous of all astronomical explosions-signal the collapse of massive stars in our Universe. This evidence was originally based on the probable association of one unusual GRB with a supernov...
  4. Sea-level fluctuations during the last glacial cycle.

    Nature 423(6942):853 (2003) PMID 12815427

    The last glacial cycle was characterized by substantial millennial-scale climate fluctuations, but the extent of any associated changes in global sea level (or, equivalently, ice volume) remains elusive. Highstands of sea level can be reconstructed from dated fossil coral reef terraces, and thes...
  5. Automatic gain control in the echolocation system of dolphins.

    Nature 423(6942):861 (2003) PMID 12815429

    In bats and technological sonars, the gain of the receiver is progressively increased with time after the transmission of a signal to compensate for acoustic propagation loss. The current understanding of dolphin echolocation indicates that automatic gain control is not a part of their sonar sys...
  6. Producing decaffeinated coffee plants.

    Nature 423(6942):823 (2003) PMID 12815419

  7. Remote control.

    Nature 423(6942):796 (2003) PMID 12815397

  8. Beating the superparamagnetic limit with exchange bias.

    Nature 423(6942):850 (2003) PMID 12815426

    Interest in magnetic nanoparticles has increased in the past few years by virtue of their potential for applications in fields such as ultrahigh-density recording and medicine. Most applications rely on the magnetic order of the nanoparticles being stable with time. However, with decreasing part...
  9. Fibronectin requirement in branching morphogenesis.

    Nature 423(6942):876 (2003) PMID 12815434

    Many organs, including salivary glands, lung and kidney, are formed during embryonic development by epithelial branching. In branching morphogenesis, repetitive epithelial cleft and bud formation create the complex three-dimensional branching structures characteristic of many organs. Although th...
  10. Abundant gene conversion between arms of palindromes in human and ape Y chromosomes.

    Nature 423(6942):873 (2003) PMID 12815433

    Eight palindromes comprise one-quarter of the euchromatic DNA of the male-specific region of the human Y chromosome, the MSY. They contain many testis-specific genes and typically exhibit 99.97% intra-palindromic (arm-to-arm) sequence identity. This high degree of identity could be interpreted a...
  11. Involvement of Notch and Delta genes in spider segmentation.

    Nature 423(6942):863 (2003) PMID 12815430

    It is currently debated whether segmentation in different animal phyla has a common origin and shares a common genetic mechanism. The apparent use of different genetic networks in arthropods and vertebrates has become a strong argument against a common origin of segmentation. Our knowledge of ar...
  12. The missing link in Ginkgo evolution.

    Nature 423(6942):821 (2003) PMID 12815417

  13. Tales of the Y chromosome.

    Nature 423(6942):810 (2003) PMID 12815408

  14. Britannica: which edition inspired Schwinger?

    Nature 423(6942):801 (2003) PMID 12815401

  15. The crystal's in the mail...

    Nature 423(6942):799 (2003) PMID 12815398

  16. Rings of excitement.

    Nature 423(6942):818 (2003) PMID 12815414

  17. Traditional wheat breeder fights for funding.

    Nature 423(6942):790 (2003) PMID 12815388

  18. Pros and cons of centralization.
    Author(s) unavailable

    Nature 423(6942):787 (2003) PMID 12815384

  19. RecBCD enzyme is a bipolar DNA helicase.

    Nature 423(6942):893 (2003) PMID 12815438

    Escherichia coli RecBCD is a heterotrimeric helicase/nuclease that catalyses a complex reaction in which double-strand breaks in DNA are processed for repair by homologous recombination. For some time it has been clear that the RecB subunit possesses a 3' --> 5' DNA helicase activity, which was ...
  20. The bright optical afterglow of the nearby gamma-ray burst of 29 March 2003.

    Nature 423(6942):844 (2003) PMID 12815424

    Past studies of cosmological gamma-ray bursts (GRBs) have been hampered by their extreme distances, resulting in faint afterglows. A nearby GRB could potentially shed much light on the origin of these events, but GRBs with a redshift z