JSTOR Daily

Robust circadian clocks from coupled protein-modification and transcription—translation cycles

The cyanobacterium Synechococcus elongatus uses both a protein phosphorylation cycle and a transcription—translation cycle to generate circadian rhythms that are highly robust against biochemical ...
Nature

Inhibition of cell-cycle progression by acute treatment with various degrees of hypoxia: Modifications induced by low concentrations of misonidazole present during hypoxia

The effect on cell-cycle progression in various phases of the cell cycle caused by an acute exposure to hypoxia in absence and presence of misonidazole (MISO) was investigated. Exponentially growing ...
Flightglobal

A380 modification ends need for power-cycle resets

Airbus has developed a modification for A380s that addresses an internal timer issue which required operators periodically to recycle the type’s power systems. The European Union Aviation Safety ...
Mongabay

Beyond boundaries: Earth’s water cycle is being bent to breaking point

The hydrological cycle is a fundamental natural process for keeping Earth’s operating system intact. Humanity and civilization are intimately dependent on the water cycle, but we have manipulated it ...