How nitrogen-fixing bacteria sense iron
Researchers at the University of East Anglia have discovered how nitrogen-fixing bacteria sense iron—an essential but deadly micronutrient.
Researchers at the University of East Anglia have discovered how nitrogen-fixing bacteria sense iron—an essential but deadly micronutrient.
Cell & Microbiology
Sep 17, 2019
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171
Birthplace exerts a lifelong influence on butterflies as well as humans, new research reveals.
Plants & Animals
Sep 12, 2019
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154
Even though Earth has been habitable (has had surface liquid water and some crust) for 4.3 billion years, and the oldest putative traces of life suggested go back up to 4.1 billion years, the presence of a microbial biosphere ...
Earth Sciences
Aug 22, 2019
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47
Before life began on Earth, the environment likely contained a massive number of chemicals that reacted with each other more or less randomly, and it is unclear how the complexity of cells could have emerged from such chemical ...
Biochemistry
Jul 23, 2019
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7195
The findings of a research expedition to coastal Greenland which examined, for the first time, how melting ice is affecting supplies of nutrients to the oceans has been published in the journal Progress in Oceanography.
Earth Sciences
Jun 25, 2019
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0
A long life and lots of children—that was quite a common aspiration until not so long ago. But the world of animals reveals that high fertility and longevity are often mutually exclusive: Particularly animals with shorter ...
Evolution
Jun 13, 2019
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247
Examples of biological scaling are everywhere. The paw of a mouse is smaller than the human hand. Our own organs and limbs typically scale with our body size as we develop and grow.
Plants & Animals
May 31, 2019
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4
Researchers have linked some environmental pollutants with diseases, a decreased life span and signs of premature aging, such as wrinkles and age spots. But can accelerated aging be detected at the cellular level in healthy ...
Environment
May 1, 2019
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21
Just like the mythical creation stories that depict the formation of the world as the story of order from chaos, the early Earth was home to a chaotic clutter of organic molecules from which, somehow, more complex biological ...
Astrobiology
Feb 6, 2019
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299
Hidden in even the clearest waters of the ocean are clues to what's happening to the seas and the climate on a global scale. Trace amounts of various chemical elements are found throughout the seas and can reveal what's going ...
Earth Sciences
Jan 28, 2019
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11