My servant is very faithful.

Enhanced expression of high-affinity oxidases in the microoxic transition zone overlying the O 2 -depleted OMZ core clearly demonstrates the capacity of microorganisms to exploit sub-micromolar O 2 concentrations.

The first bleepable moment occurs at 00;00;06;07 (6 seconds and 7 frames in). Press the spacebar to pause here.

It was a journey not completed until after dark (there were no headlights) and Bertha was too tired to visit her relos in Pforzheim by the time she arrived.