Initial hypotheses were human error, crane mechanical failure and unstable ground under the crane.
As a likely consequence of nodal and paranodal disruption, a significant switch from Nav1.6 to Nav1.2 expression occurs and both Nav1.2 and Nav1.6 immunoreactivities are diffusely distributed along extensive regions of demyelinated axons within acute MS plaques in human pathology (Craner et al., 2004) and in an EAE (Craner et al., 2003).
For 127 days, fellow union activists used pulleys to hoist up food and water and bring down garbage and human waste from the crane.
Human operators control the cranes only when they are ready to put the containers on trucks for transfer to a ship.
Correction: October 30, 2000, Monday A headline in Science Times on Tuesday about bird migration misstated the type of crane that humans were leading on a flight from Wisconsin to Florida.
In the years since, much has changed around New York Harbor; the heavy lifting is done not by hand but by cranes, and human voices are scarcely heard amid the beeping of the straddle carriers, giant insectlike machines that move containers back and forth.
The fortress is both a serious historical reenactment and an offbeat tourist attraction, allowing the public to watch and chat with workers as they chisel stone, lift blocks with a human-powered hamster-wheel crane, forge tools and chains, and make rope or tiles.
But now two scientists have shown that it is possible to "breed" a working Lego structure, such as a bridge or a crane, without any human intervention.
The spectacular migrations of cranes have excited human interest since the earliest times.
Literally there is always a human point of view: no cranes, no helicopter, no Steadicam, no dollies, no devices".
