molecular cluster
41Debashis Mukherjee — At the 12th ICQC in Kyoto, 2006 Born 17 December 1946( …
42Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… …
43Star — For other uses, see Star (disambiguation) …
44Human genetic variation — is the natural variation in gene frequencies observed between the genomes of individuals or groups of humans. Variation can be measured at both the individual level (differences between individual people) and at the population level, i.e.… …
45Major urinary proteins — Tertiary structure of a mouse major urinary protein. The protein has eight beta sheets (yellow) arranged in a beta barrel open at one end, with alpha helices (red) at both the amino and carboxyl termini. The structure is resolved from Protein… …
46Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… …
47Orion Nebula — The entire Orion Nebula in visible light. Credit: NASA/ESA Observation data: J2000 epoch …
48nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
49Race (classification of humans) — Race Classification Race (classification of humans) Genetics …
50Inorganic chemistry — For the journal, see Inorganic Chemistry (journal). Inorganic compounds show rich variety: A: Diborane features unusual bonding B: Caesium chloride has an archetypal crystal structure C: Fp2 is an organometallic complex D …
