News articles tagged with 'diatom'
Reviving 100-year-old resting spores of diatoms
— 1 Mar 2011 17:39 | BiologyDiatoms account for a large proportion of the phytoplankton found in the water, and live both in the open sea and in freshwater lakes. By reviving 100-year-old spores that had laid…
Diatoms as a new indicator of metal pollution?
— 9 Jul 2010 11:52 | EnvironmentThere are thousands of species of diatoms in rivers. These microscopic, unicellular algae react to organic pollution from agricultural and industrial sources, which explains why they…
Diatoms reveal freshwater pollution
— 5 May 2010 10:06 | EnvironmentResearchers in India have demonstrated that microscopic aquatic creatures could be used as the ecological equivalent of a canary in a coalmine for assessing inland freshwater lakes…
Nitrogen fixation and phytoplankton blooms in the southwest Indian Ocean
— 15 Aug 2009 14:17 | EnvironmentObservations made by Southampton scientists help understand the massive blooms of microscopic marine algae - phytoplankton - in the seas around Madagascar and its effect on the biogeochemistry…
Arctic climate under greenhouse conditions in the Late Cretaceous
— 8 Jul 2009 17:00 | Geology and palaeontologyNew evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous - a period of greenhouse conditions - gives a glimpse of how the Arctic…
Why are diatoms so successful?
— 26 Jun 2009 11:50 | BiologyDiatoms play a key role in the photosynthesis of the oceans and are therefore intensively studied. Researchers from the Alfred Wegener Institute for Polar and Marine Research in the…
'Milking' microscopic algae could yield massive amounts of oil
— 22 Jun 2009 14:42 | BiologyScientists in Canada and India are proposing a surprising new solution to the global energy crisis - 'milking' oil from the tiny, single-cell algae known as diatoms, renowned for their…
Climate change threatens Lake Baikal's unique biota
— 1 May 2009 13:47 | EnvironmentSiberia's Lake Baikal, the world's largest and most biologically diverse lake, faces the prospect of severe ecological disruption as a result of climate change, according to an analysis…
Ancient diatoms lead to new technology for solar energy
— 9 Apr 2009 14:59 | TechnologyEngineers at Oregon State University have discovered a way to use an ancient life form to create one of the newest technologies for solar energy, in systems that may be surprisingly…
Mighty diatoms: Global climate feedback from microscopic algae
— 19 Mar 2009 16:10 | BiologyTiny creatures at the bottom of the food chain called diatoms suck up nearly a quarter of the atmosphere's carbon dioxide, yet research by Michigan State University scientists suggests…