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Latest Autotroph Stories

Methane Consuming Microorganisms Have Strange Diet
2012-11-06 13:06:13

Max-Planck-Gesellschaft Methane supplies the energy for cell metabolism, but is not the carbon source Methane is formed under the absence of oxygen by natural biological and physical processes, e.g. in the sea floor. It is a much more powerful greenhouse gas than carbon dioxide. Thanks to the activity of microorganisms this gas is inactivated before it reaches the atmosphere and unfolds its harmful effects on Earth's climate. Researchers from Bremen have now proven that these...

2005-08-03 15:50:49

Ecological specialization is an important process underlying the self-organization of ecosystems. Insight into this process leads to a better understanding of the structure and functioning of the real and complex ecosystems surrounding us. In an article in the September issue of The American Naturalist, Tineke A. Troost and colleagues address these fundamental issues, while focusing on a simple but common aquatic system. Their research integrates three separate threads of modern ecological...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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