Those of you who have been following the science blogosphere for a while may remember that excellent old blog Down to Earth which, sadly, went dormant back in 2006.
I am happy to announce that Daniel Collins has now started a new blog, focused on water, hydrology and other All Things Wet, at Cr!key Creek (with the cool sub-heading: "Water cycle meet Media cycle"). One to check out and bookmark!
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One thing that we often want to do is break a graph into pieces in a way that preserves
the structural relations between the vertices in any part. Doing that is called
*decomposing* the graph. Decomposition is a useful technique because many ways
A study just out in PLoS Medicine suggests that an increasing trend of delaying childbirth is associated wiht a rising rate of the use of cesarean delivery. The explanation appears to be impared uterine function.
From the editor's summary:
In a prior post I asked about the how the structure of fixed points of stochastic maps changes under composition of such maps.
The Sun undergoes quasi-periodic cycles of 22 years, which manifest most observably as 11 year sunspot cycles.
There have been 23 of these 11 year cycles in recorded history, going back to about 1750.