(PhysOrg.com) -- In 1953, Stanley Miller filled two flasks with chemicals assumed to be present on the primitive Earth, connected the flasks with rubber tubes and introduced some electrical sparks as a stand-in for lightning. ...
Cell & Microbiology
Aug 7, 2009
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(PhysOrg.com) -- Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants.
Cell & Microbiology
Mar 12, 2009
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Intensive harvesting of the largest fish over many decades, while leaving the small fish behind, may have unintentionally genetically reprogrammed many species to grow smaller, said lead author Dr. David O. Conover, Professor ...
Evolution
Mar 3, 2009
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A new study presents an evolutionary-biophysical model that sheds new light on the evolution of the collaborative non-self recognition self-incompatibility, a genetic mechanism in plants that prevents self-fertilization and ...
Plants & Animals
Jun 25, 2024
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Researchers have gleaned new insights into the great human migration, revealing how environmental conditions in northern Eurasia and the Americas shaped the journey of ancestors who left Africa tens of thousands of years ...
Archaeology
May 29, 2024
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93
Fruit flies (Drosophila melanogaster), which humans have inadvertently spread around the globe, arrived in China roughly 4,000 years ago, according to a new population genomics study that adds to our understanding of the ...
Evolution
May 13, 2024
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1
Researchers hope their discovery about the healing properties of fetal cartilage cells in mice will lay the groundwork for new treatments for human growth disorders and degenerative diseases.
Cell & Microbiology
Apr 29, 2024
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28
A computational model of the more than 26 million atoms in a DNA-packed viral capsid expands our understanding of virus structure and DNA dynamics, insights that could provide new research avenues and drug targets, University ...
Cell & Microbiology
Mar 6, 2024
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51
Within every cell in our body, our DNA is tightly bundled with proteins to form structures known as chromosomes. The commonly known shape of a chromosome relates to an X-shaped appearance in many organisms. The formation ...
Plants & Animals
Feb 14, 2024
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9
Climate models are essential to predicting and addressing climate change, but can fail to adequately represent soil microbes, a critical player in ecosystem soil carbon sequestration that affects the global carbon cycle.
Ecology
Feb 5, 2024
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