News tagged with calcium carbonate

Calcium carbonate templates for drug delivery

(Phys.org) -- The fast and targeted delivery of drugs to the focus of a disease could soon be made easier. Helmuth Möhwald and his colleagues from the Max Planck Institute of Colloids and Interfaces in ...

Jul 03, 2012
5 / 5 (3) 0 | with audio podcast

New model suggests ocean pH falling more rapidly

(Phys.org) -- A new computer model developed in Switzerland shows that the pH of the ocean waters off the west coast of the US will fall over the next four decades faster than previously thought. The region ...

Jun 15, 2012 report
3.7 / 5 (26) 23 | with audio podcast

Expedition studies acid impacts on Arctic

The effects of ocean acidification on Arctic seas will be studied by a team of 30 researchers, including Dr Toby Tyrrell from the University of Southampton, who set sail from the UK today (1 June), venturing ...

Jun 01, 2012
5 / 5 (1) 0

A crowning success for crayfish

Nature sometimes copies its own particularly successful developments. A team of scientists from the Max Planck Institute of Colloids and Interfaces in Potsdam and the Ben-Gurion University at Beer-Sheva in ...

May 21, 2012
not rated yet 0 | with audio podcast

New bacterium forms intracellular minerals

A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals (calcium, magnesium, barium and strontium carbonates) within its own organism. Published in Science on Apr ...

May 11, 2012
5 / 5 (3) 0 | with audio podcast

Mechanism for Burgess Shale-type preservation

The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...

Mar 07, 2012
5 / 5 (2) 1

Coral reef study traces indirect effects of overfishing

A study of the tropical coral reef system along the coastline of Kenya has found dramatic effects of overfishing that could threaten the long-term health of the reefs. Led by scientists at the University of California, Santa ...

Feb 27, 2012
5 / 5 (1) 0

World's oceans get an acid bath

Among the repercussions of global climate change, the effect of ocean acidification on marine life is one of the least-understood variables.

Feb 22, 2012
4.3 / 5 (11) 7 | with audio podcast

Unprecedented, man-made trends in ocean's acidity

Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming ...

Jan 22, 2012
4 / 5 (20) 29 | with audio podcast

Sea cucumbers: Dissolving coral reefs?

Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...

Dec 22, 2011
5 / 5 (1) 0 | with audio podcast