5 -isomers of stanols and stanones as potential markers of sedimentary organic quality and depositional paleoenvironments

5- to 50-m wavelength plasma instabilities in the equatorial electrojet. III - Counter-electrojet conditions

5-choosability of graphs with 2 crossings

5-choosability of graphs with crossings far apart

5-dimensional contact SO(3)-manifolds and Dehn twists

5-move equivalence classes of links and their algebraic invariants

5-moves and Montesinos links

5-th order differential equations related to Calabi-Yau differential equations

5. Space and Ecology

50 Years of Bailey's lemma

50-day Oscillation of Length-of-day Change

53Mn-53Cr and 26Al-26Mg ages of a feldspathic lithology in polymict ureilites

540-Myr-old anorthosite complex in the Grenville Province of Quebec, Canada

55P/TEMPEL-TUTTLE and the Leonid Meteors

5@5 - A 5 GeV Energy Threshold Array of Imaging Atmospheric Cherenkov Telescopes at 5 km Altitude

5n Minkowski symmetrizations suffice to arrive at an approximate Euclidean ball