Results 21 to 30 of about 8,276 (261)
Several bodies in the outer solar system are believed to host liquid water oceans underneath their icy surfaces. Knowledge of the hydrosphere properties is essential for understanding and assessing their habitability.
Flavio Petricca+5 more
doaj +1 more source
Exosomal circNFIX promotes angiogenesis in ovarian cancer via miR‐518a‐3p/TRIM44 axis
Abstract Ovarian cancer (OC) is a gynecological cancer with high mortality. OC‐derived exosomal circRNAs can regulate angiogenesis. This study aims to explore the role and mechanism of exosomal circRNA nuclear factor I X (CircNFIX) derived from OC cells in angiogenesis.
Hui Ye+7 more
wiley +1 more source
Triton: Topography and Geology of a Probable Ocean World with Comparison to Pluto and Charon
The topography of Neptune’s large icy moon Triton could reveal important clues to its internal evolution, but has been difficult to determine. New global digital color maps for Triton have been produced as well as topographic data for
Paul M. Schenk+18 more
doaj +1 more source
Abstract The efficiency associated with innovation has been a frequently considered element in the literature. However, the conceptualization of this efficiency and its management is an underexplored factor. We study the way in which the different elements that conform to this efficiency are managed over time.
Concepción Rubio‐Picón+3 more
wiley +1 more source
Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean
The search for life in the universe is often informed by the study of “extreme” environments on Earth, which provide analogs for habitable locations in the Solar System, and whose microbial inhabitants may therefore also serve as analogs for potential ...
Adriana C. Gomez-Buckley+2 more
doaj +1 more source
Biological methane production under putative Enceladus-like conditions
Many methanogenic archaea use H2 and CO2 to produce methane. Here, Taubner et al. show that Methanothermococcus okinawensis produces methane under conditions extrapolated for Saturn’s icy moon, Enceladus, and estimate that serpentinization may produce ...
Ruth-Sophie Taubner+14 more
doaj +1 more source
Titan as an analog of Earth’s past and future
Titan, the second-largest moon in the solar system, is revealed by the joint ESA-NASA mission Cassini-Huygens to have a dense atmosphere of nitrogen and methane, lakes and seas of liquid methane and ethane, evidence for fluvial (river-based) erosion, and ...
Lunine J. I.
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The Young Age of the LAMP‐observed Frost in Lunar Polar Cold Traps
The Lunar Reconnaissance Orbiter/Lyman Alpha Mapping Project (LAMP) ultraviolet instrument detected a 0.5–2% icy regolith mix on the floor of some of the southern pole permanently shadowed craters of the Moon. We present calculations indicating that most
W. M. Farrell+5 more
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Assessing release strategies for reintroductions of endangered Wyoming toads
We performed reintroductions of captive‐bred Wyoming toads (Anaxyrus baxteri) (photo B.) to test the effects of soft‐ and hard‐release methods through implementation of a delayed‐release. After release, the toads were tracked using a harmonic tracking system in Wyoming, USA. The soft‐released toads were held in an outdoor enclosure for 14 days prior to
Luke J. Linhoff, Maureen A. Donnelly
wiley +1 more source
Spaceborne impact ionization mass spectrometers, such as the Cosmic Dust Analyzer on board the past Cassini spacecraft or the SUrface Dust Analyzer being built for NASA's upcoming Europa Clipper mission, are of crucial importance for the exploration of ...
Fabian Klenner+11 more
doaj +1 more source