Chemical interactions between amino acid and RNA: multiplicity of the levels of specificity explains origin of the genetic code Hervé SeligmannNissim G. Amzallag Review Article Pages: 542 - 551
Adult flight in a water strider exposed to habitat drydown in the larval stages Manabu KishiTetsuo HaradaJohn R. Spence Short Communication 30 November 2002 Pages: 552 - 554
Mammalian neurohormones: potential significance in reproductive physiology of St. John's wort (Hypericum perforatum L.)? Susan J. MurchPraveen K. Saxena Short Communication Pages: 555 - 560
Mimicry of queen Dufour's gland secretions by workers of Apis mellifera scutellata and A. m. capensis Catherine L. SolePer KrygerRobin M. Crewe Short Communication Pages: 561 - 564
Seven suggestive quantitative trait loci influence hygienic behavior of honey bees Keryn L. LapidgeBenjamin P. OldroydMarla Spivak Short Communication Pages: 565 - 568
Aerosols: unexpected disequilibrium phenomena between airborne radio activities of lead-210 and its progenies bismuth-210 and polonium-210 Gabriele WallnerAxel BernerKarl Irlweck Short Communication Pages: 569 - 574
The functionality of female reciprocal calls in the Iberian midwife toad (Alytes cisternasii): female-female acoustic competition? Jaime Bosch Short Communication Pages: 575 - 578
Tooth hardness increases with zinc-content in mandibles of young adult leaf-cutter ants Robert M. S. SchofieldMichael H. NessonKathleen A. Richardson Short Communication 03 December 2002 Pages: 579 - 583