News tagged with biological life
Organic carbon from Mars, but not biological
(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules ...
Space & Earth / Space Exploration
May 24, 2012 |
4.4 / 5 (5) |
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Hacking code of leaf vein architecture solves mysteries, allows predictions of past climate
(Phys.org) -- UCLA life scientists have discovered new laws that determine the construction of leaf vein systems as leaves grow and evolve. These easy-to-apply mathematical rules can now be used to better ...
May 23, 2012 |
3.9 / 5 (10) |
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A long-held assumption confirmed: We can learn a lot from other species' genes
Researchers at the SIB Swiss Institute of Bioinformatics and the EMBL-European Bioinformatics Institute have confirmed the long-held belief that studying the genes we share with other animals is useful. The study, published ...
May 17, 2012 |
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Free-floating planets in the Milky Way outnumber stars by factors of thousands
A few hundred thousand billion free-floating life-bearing Earth-sized planets may exist in the space between stars in the Milky Way. So argues an international team of scientists led by Professor Chandra Wickramasinghe, Director ...
May 10, 2012 |
2.6 / 5 (17) |
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Is a new form of life really so alien?
The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...
May 08, 2012 |
3.6 / 5 (12) |
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Evolution is written all over your face
Why are the faces of primates so dramatically different from one another?
Jan 11, 2012 |
4.6 / 5 (16) |
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SANS tracks cell death protein invading biomimetic mitochondrial membrane
(PhysOrg.com) -- An international team of biochemists, biophysicists, and neutron scientists are using a combination of fluorescence and small-angle neutron scattering (SANS) techniques to assist biochemists ...
Dec 15, 2011 |
5 / 5 (2) |
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Star Wars-inspired bacterium provides glimpse into life
(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Dec 09, 2011 |
5 / 5 (7) |
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Powerful mathematical model greatly improves predictions for species facing climate change
UCLA life scientists and colleagues have produced the most comprehensive mathematical model ever devised to track the health of populations exposed to environmental change.
Dec 03, 2011 |
4.3 / 5 (7) |
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Mice with fewer insulin-signaling receptors don't live longer
Scientists studying longevity thought it might be good to lack a copy of a gene, called IGF1 receptor, that is important in insulin signaling. Previous studies showed invertebrates that lacked the copy lived longer, even ...
Nov 23, 2011 |
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Researchers pinpoint date and rate of Earth's most extreme extinction
It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers from North America ...
Space & Earth / Earth Sciences
Nov 17, 2011 |
5 / 5 (6) |
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Biologists identify light-regulated mechanism in cyanobacteria as aid to optimizing photosynthesis
(PhysOrg.com) -- Indiana University biologists have uncovered how a control system works in producing the important light-harvesting antennae that power photosynthesis in cyanobacteria, the microorganisms ...
Nov 03, 2011 |
5 / 5 (1) |
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Sea Life sharks help scientists probe mysteries of ancient seas
Sea Life Centre sharks are set to help University of Birmingham scientists unravel the mysteries of ancient seas. That will be the goal of a major research project announced as the centres prepare to host special Shark Weeks ...
Oct 18, 2011 |
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Fossil moths reveal their true colors
Moths dead for 47 million years are again showing their true colors. For the first time, scientists have reconstructed the colors of an ancient fossil moth. The findings detailed not just a few spots of color, ...
Other Sciences / Archaeology & Fossils
Oct 12, 2011 |
5 / 5 (2) |
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A coating that prevents barnacles forming colonies
It is not necessary for an effective anti-fouling coating to release toxins into the environment. Scientists at the University of Gothenburg have shown that it is instead possible to mix into the coating molecules ...
Oct 04, 2011 |
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