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  • 1
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    Cocaine exposure and children: the meaning of subtle effects (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lester, B M -- LaGasse, L L -- Seifer, R -- U10 DA024119/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):633-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Brown University School of Medicine, Providence, RI 02905-2499, USA. barryvlester@brown.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841414" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Child Language ; Cocaine/*adverse effects ; Cocaine-Related Disorders/therapy ; Cognition Disorders/*chemically induced/prevention & control ; Costs and Cost Analysis ; Education, Special/economics ; Female ; Humans ; Intelligence/*drug effects ; Language Disorders/*chemically induced/prevention & control ; Meta-Analysis as Topic ; Pregnancy ; Pregnancy Complications/therapy ; *Prenatal Exposure Delayed Effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Annual Variations in the Martian Bow Shock Location as Observed by the Mars Express Mission (2016)
    Wiley
    Details
    Publication Date: 2016-11-08
    Description: The Martian bow shock distance has previously been shown to be anti-correlated with solar wind dynamic pressure, but correlated with solar extreme-ultraviolet (EUV) irradiance. Since both of these solar parameters reduce with the square of the distance from the Sun, and Mars' orbit about the Sun increases by ∼0.3 AU from perihelion to aphelion, it is not clear how the bow shock location will respond to variations in these solar parameters, if at all, throughout its orbit. In order to characterise such a response, we use more than 5 Martian years of Mars Express Analyser of Space Plasma and EneRgetic Atoms (ASPERA-3) Electron Spectrometer measurements to automatically identify 11861 bow shock crossings. We have discovered that the bow shock distance as a function of solar longitude has a minimum of 2.39  R M around aphelion, and proceeds to a maximum of 2.65  R M around perihelion, presenting an overall variation of ∼11% throughout the Martian orbit. We have verified previous findings that the bow shock in Southern hemisphere is on average located further away from Mars than in the Northern hemisphere. However, this hemispherical asymmetry is small (total distance variation of ∼2.4%), and the same annual variations occur irrespective of the hemisphere. We have identified that the bow shock location is more sensitive to variations in the solar EUV irradiance than to solar wind dynamic pressure variations. We have proposed possible interaction mechanisms between the solar EUV flux and Martian plasma environment that could explain this annual variation in bow shock location.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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