CLOCK — For other uses, see Clock (disambiguation). Clock homolog (mouse) Identifiers Symbols CLOCK; KAT13D; KIAA0334; bHLHe8 External IDs … Wikipedia
Radical clock — In chemistry, a radical clock is a compound that assists in the indirect methodology to determine the kinetics of radical molecule reactions. This involves a unimolecular radical reaction with a known rate constant competing against a bimolecular … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Cryptochrome — 1 (photolyase like) Crystal structure of the PHR domain of cryptochrome 1 from Arabidopsis thaliana.[1] … Wikipedia
Sleep — Waking up redirects here. For other uses, see Waking Up (disambiguation). This article is about sleep in general; for specifically non human sleep see Sleep (non human); for other uses, see Sleep (disambiguation). Sleeping child Sleep is a… … Wikipedia
Horloge circadienne — Pour les articles homonymes, voir Horloge (homonymie). Décrits pour la première fois en 1729 par le mathématicien et astronome français Jean Jacques Dortous de Mairan, des rythmes circadiens – « de période proche d’un jour », du latin… … Wikipédia en Français
RYTHMES BIOLOGIQUES — Toutes les activités des êtres vivants se déroulent de façon périodique, en suivant des rythmes observables et mesurables. L’alternance quotidienne veille sommeil, la reproduction saisonnière des végétaux (floraison) et des animaux, les… … Encyclopédie Universelle
Electricity on Shabbat in Jewish law — Jews who observe the Shabbat (Sabbath) have the practice of refraining from turning electricity on or off during Shabbat. In most cases they also abstain from making adjustments to the intensity of an electrical appliance as well. Authorities of… … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Finnish Defence Forces — The tower and the lion is the symbol of the Finnish Defence Forces. Current form 1918 … Wikipedia
Mental chronometry — For Ian Lowe s book, see Reaction Time (book). Reaction time redirects here. For the biological mechanism, see Reflex. Mental chronometry is the use of response time in perceptual motor tasks to infer the content, duration, and temporal… … Wikipedia