Science / Biology / Internodes: The stem regions between nodes in plants. MORE
Science / Tides and Currents / Lunar Nodes: The points where the plane of the Moon's orbit intersects the ecliptic. The point where the Moon crosses in going from south to north is called the ascending node and the point where the crossing is f MORE
Science / Periodic Table of Elements / Ruthenium (Ru): Atomic number: 44, Atomic mass: 101.1 g.mol -1, Electronegativity: 2.2, Density: 12.2 g.cm-3 at 20?°C, Melting point: 2250 ?°C, Boiling point: 4150 ?°C, Vanderwaals radius: 0.135 nm, Isotopes: 11, MORE
Science / Periodic Table of Elements / Rhenium (Re): Atomic number: 75, Atomic mass: 186.23 g.mol -1, Electronegativity: 1.9, Density: 20.5 g.cm-3 at 20?°C, Melting point: 3170 ?°C, Boiling point: 5627 ?°C, Vanderwaals radius: 0.138 nm, Ionic radius: MORE
Science / Tides and Currents / Node Cycle: Period of approximately 18.61 Julian years required for the regression of the Moon's nodes to complete a circuit of 360?° of longitude. It is accompanied by a corresponding cycle of changing inclinat MORE