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River Mystery Solved

By Guest PostJune 5, 2011Environmentbacteria, biofilms, biogeochemical processes, blooms of didymo, Chile, didymo, didymo growth, didymosphenia geminata, freshwater algae, mats, microbes, microenvironment, national science foundation, new zealand, nutrients, oligotrophic, oliogotrophic streams, p v sundareshwar, phosphorus, rapid creek, rivers, rock, south dakota school of mines and technology, species, streams, tim kratz, uncommon environmental phenomena, unpolluted waterways, water bodies in the southern hemisphere

*Scientists discover how “Didymo” algae bloom in pristine waters with few nutrients*

The pristine state of unpolluted waterways may be their downfall, according to research results published in a paper this week in the journal Geophysical Research Letters.

A species of freshwater algae that lives in streams and rivers, called Didymo for Didymosphenia geminata, is able to colonize and dominate the bottoms of some of the world’s cleanest waterways–precisely because they are so clear. (more…)

New Evidence Supports Snowball Earth as Trigger for Early Animal Evolution

By Guest PostNovember 2, 20101 commentSciencebiogeochemists, enriqueta barrera, glacial events, glaciations, mid-neoproterozoic, noah planavsky, oceans, phosphorus, snowball earth, snowball earth hypothesis, tim lyons

Geologist Noah Plavansky examines rocks deposited after a "Snowball Earth" glacial event. Image credit: Lyons Lab, UC-Riverside

*Spike in ancient marine phosphorus concentrations linked to emergence of complex life*

Biogeochemists have found new evidence linking “Snowball Earth” glacial events to the rise of early animals. The research was funded by the National Science Foundation (NSF).

Study results appear in this week’s issue of the journal Nature.

The controversial Snowball Earth hypothesis posits that, on several occasions, the Earth was covered from pole to pole by a thick sheet of ice lasting for millions of years.

These glaciations, the most severe in Earth history, occurred from 750 to 580 million years ago. (more…)

Walnuts: Its Amazing Health Benefits

By PravdaJuly 4, 20102 commentsHealth40 nuts, amino acids, anna protsenko, anti-inflammatory, antioxidants, Avicenna, b, black currants, blood pressure, blood sugar, c, calcium, cancer center, cardiovascular, chocolate, cholesterol, cobalt, colitis, constipation, copper, davis, diabetes, diseases, e, enteritis, fatty acids, gastro-intestinal tract, hippocrates, iodine, irina shlionslaya, iron, kernels, magnesium, medpulse, metabolism, minerals, nutritionist, omega-3, p, phosphorus, potassium, prostate cancer, protein, ru, sodium, teaspoon, thyroid, university of california, usa, vitamin c, vitamins a, walnuts

Health benefits of walnuts have been known since time immemorial. Hippocrates and Avicenna mentioned them in the treatment of various diseases. In addition, the ancients thought that they stimulate mental activity. Anna Protsenko, a nutritionist, told MedPulse.ru.

“Walnuts contain a great deal of minerals,” the expert explains. “They include iron, copper, cobalt, potassium, sodium, phosphorus, magnesium, calcium, and iodine. Many of them are antioxidants.

(more…)

Tag Archives: phosphorus

River Mystery Solved

New Evidence Supports Snowball Earth as Trigger for Early Animal Evolution

Walnuts: Its Amazing Health Benefits