News tagged with limestone
Bedrock of a holy city: the historical importance of Jerusalem's geology
Space & Earth / Earth Sciences
Oct 19, 2009 |
3.8 / 5 (4) |
1
Jerusalem's geology has been crucial in molding it into one of the most religiously important cities on the planet, according to a new study.
Lebanon cave takes on Amazon for spot in new seven wonders
Jul 21, 2009 |
2.8 / 5 (4) |
1
Lebanon's Jeita Grotto on Tuesday was selected as one of 28 finalists for the seven natural wonders of the world, facing the Amazon, Mount Vesuvius and others for a spot on the prestigious list.
'The world's oldest manufactured beads' are older than previously thought
Other Sciences / Archaeology & Fossils
May 05, 2009 |
4.7 / 5 (11) |
0
(PhysOrg.com) -- A team of archaeologists has uncovered some of the world’s earliest shell ornaments in a limestone cave in Eastern Morocco. The researchers have found 47 examples of Nassarius marine shells, ...
Sea Urchins' Digging Teeth are Designed to Stay Sharp
May 04, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- Sea urchins dig themselves hiding holes in the limestone of the ocean floor using teeth that don’t go blunt. Weizmann Institute scientists have now revealed their secrets, which might give engineers insights ...
'Smart water' may help boost production from oil wells by 60 percent
Sep 08, 2008 |
3.8 / 5 (29) |
0
Researchers in Norway report that injecting a special type of seawater called "smart water" into certain low-yield oil wells may help boost oil extraction by as much as 60 percent. The study could help meet ...
