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stunningly preserved 165-million-year old spider fossil foun
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blinded by science
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Link #149580
submitted by lola_ice
on Feb 9, 2010 07:50am.
(+240XP)
http://www.wired.com/wiredscience/2010/02/spider-fossil
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"Scientists have unearthed an almost perfectly preserved spider fossil in China dating back to the middle Jurassic era, 165 million years ago. The fossilized spiders, Eoplectreurys gertschi, are older than the only two other specimens known by around 120 million years.
The level of detail preserved in the fossils is amazing, said paleontologist Paul Selden of the University of Kansas and lead author of the study appearing Feb. 6 in Naturwissenschaften. “You go in with a microscope, and bingo! It’s fantastic.”"
Comments: 0
Hits: 215
Points: 204272
Rating: 9.6 / 3
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Secret Spaces of San Francisco
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destinations
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Link #149568
submitted by dorian
on Feb 9, 2010 03:23am.
(+200XP)
http://strangemaps.wordpress.com/2010/01/28/441-sense-of-popos-secr...
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Scattered across the centre of San Francisco are almost seventy semi-secret spaces, privately owned but open to the public. Subject to the fine print of a little-known pact between City and Commerce, these so-called POPOS (Privately Owned Public Open Spaces) allow alluring vistas of San Francisco and access to its intimate interiors. However, they are often poorly indicated – perhaps a deliberate tactic by the private companies who own the spaces to prevent the pesky public from using them. Accessing POPOS sometimes even requires walking past security guards, or through unmarked doors. No wonder many are underfrequented.
A concerted effort of concerned citizens – and this map produced by them – is aimed at raising awareness of the existence of these fascinating spaces, 68 in all, both north and south of Market Street, many in existence for decades. This map is part of a guide produced by SPUR (San Francisco Planning & Urban Research Association); the 45 round indicators are POPOS set up between 1959 and 1985, the squares mark the 23 inaugurated after the 1985 Downtown Plan, which stipulated the zoning regulations requiring commercial urban development to be counterbalanced by POPOS.
Comments: 0
Hits: 48
Points: 201342
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Cassini detection adds to Enceladus liquid water story
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blinded by science
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Link #149566
submitted by lola_ice
on Feb 8, 2010 07:03pm.
(+100XP)
http://news.bbc.co.uk/2/hi/science/nature/8495663.stm
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"Scientists working on the Cassini space mission have found negatively charged water ions in the ice plume of Enceladus. Their findings, based on analysis from data taken in plume fly-throughs in 2008 and reported in the journal Icarus, provide evidence for the presence of liquid water, which suggests the ingredients for life inside the icy moon. The Cassini plasma spectrometer, used to gather this data, also found other species of negatively charged ions including hydrocarbons."
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Hits: 48
Points: 196146
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