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Tetradentate ligand. In chemistry, tetradentate ligands are ligands that bind four donor atoms to a central atom to form a coordination complex. This number of donor atoms that bind is called denticity and is a method of classifying ligands. Tetradentate ligands are common in nature in the form of chlorophyll, which has a core ligand called ...
Velociraptor was popularized by its appearance in the Jurassic Park franchise, which features numerous individuals. They first appear in Michael Crichton 's 1990 novel Jurassic Park, followed by a 1993 film adaptation from director Steven Spielberg, which spawned a series of films. Despite their name, Crichton heavily based the Velociraptors on ...
Celebrity Apex is an Edge-class cruise ship operated by Celebrity Cruises, a subsidiary of Royal Caribbean Cruises Ltd. Constructed at Chantiers de l'Atlantique in Saint-Nazaire , France , [8] she is the second vessel in the company's Edge class of ships, following the delivery of her sister ship, Celebrity Edge , in 2018.
The Colorado Portal. Colorado is the state of the United States of America that encompasses most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the high western edge of the Great Plains. Admitted to the Union on August 1, 1876, Colorado became the 38th U.S. state.
A great white shark. The 1992 cageless shark-diving expedition was the world's first recorded intentionally cageless dive with great white sharks, contributing to a change in public opinions about the supposed ferocity of these animals.
Slow-wave sleep. Slow-wave sleep ( SWS ), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity is characterised by slow delta waves. [2] Slow-wave sleep usually lasts between 70 and 90 minutes, taking place during the first hours of the night. [3]
Wheels Up is a provider of "on demand" private aviation in the United States and one of the largest private aviation companies in the world. [2] It was founded in 2013 by Kenny Dichter, using a membership/on-demand business model. [3] Wheels Up members can book private aircraft from the company fleet and third-party operators using a mobile ...
A fundraising initiative of the Apex Club of Gympie, the Muster is a registered charity with all profits distributed among worthy community groups and charity partners, both locally and nationally. An ever-growing number of community groups are also involved in the staging of the event, and for most, it is their major fundraiser for the year.