The step pyramid was built above the tomb of pharaoh Djoser, a warrior who reigned in the Old Kingdom in the third dynasty for 19 years.
Adding her data to that from known and studied tells, she was able to tell, as it were, the story of the Old Kingdom's demise, and its connection with climate change.
One of Dr Weiss's former students, Sarah Parcak, of Cambridge University, presented data to the meeting on how a third period of cooling and drying, 4, 200 years ago, destroyed the Old Kingdom of Egypt.
Of course, rain-fed agriculture is even more vulnerable to climate change than the irrigated variety, as Ms Parcak's Cambridge colleague Lauren Ristvet showed the conference with her study of northern Syria during the same period as the fall of Egypt's Old Kingdom.
Old stereotypes die hard and the vision of Britain as a peaceable kingdom, America as "the wild west culture on the other side of the Atlantic" is out of date.
This includes FTSE in the United Kingdom, France whose CAC 40 is dangerously close to the old lows of 2000 and 2009 as well as Switzerland which suffers the embarrassment of a strong currency making their exports too pricey.
"She was a pretty unique prime minister who achieved a great deal she brought back the self-esteem and confidence of the United Kingdom, " said Keith Batt, a 75-year-old retired Royal Air Force captain, who was strolling up and down Fleet Street, wearing a bowler hat and toting a large black umbrella, as he looked for a place to glimpse the procession.
WSJ: Global Figures Pay Respects at Funeral for Margaret Thatcher in London
In addition to Big Drama, the farm stands Leroidesanimaux, champion male turf horse in 2005 and sire of 2011 Kentucky Derby winner Animal Kingdom, who won the Eclipse Award for champion 3-year-old.
Mr Cameron gave the family a large tapestry with an eagle and American flag design by the Rug Company, silver bracelets for daughters Sasha and Malia, and a "bone-shaped chew toy with United Kingdom flag", presumably for Bo, the family's four-year-old dog.
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