Aggressive behaviour within pairs of male crickets leads to the establishment of a dominance hierarchy. Defeated males avoid their victorious adversaries for several hours before regaining aggressiveness. However, the defeated male does not regain aggressiveness if repeated fighting occurs. Loss of individual aggressiveness is limited by group size, which constrains the number of crickets fight...

Creating the first World Championclass chess computer belongs among the oldest challenges in computer science. When World Chess Champion Garry Kasparov resigned the last game of a six-game match against IBM’s Deep Blue supercomputer on 11 May 1997, his loss marked achievement of this goal. The quest for a “chess machine” dates back to 1769 when the Turk—with a human player hidden inside—debuted...

Most models of conflict concentrate on how players allocate resources between productive and fighting efforts. After a conflict, the winner is assumed to take control of all the resources of the loser. In this paper we show experimentally that this simplification misses an important component of a conflict, namely the reaction of the defeated player. We find that, if given the choice to destroy...

The composition of the essential oil extracted from Valeriana hardwickii Wall. roots growing wild in Talle Valley of Arunachal Pradesh, Eastern Himalaya was analyzed by capillary GC and GC/MS. Thirty-one compounds representing 89.6% of the total oil were identified. The oil was found to be rich in sesquiterpenes from which oxygenated sesquiterpenes (25.7%). Methyl linoleate (21.1%) and Valerace...

The outcome of the COP27 confirms PD game nature work this UN club, CUT defeated by EMIT (emissions). same will hold for forward COPs, until such time that tipping points change great players in global environment club.