News tagged with building blocks
Related topics: protein , molecules , amino acids
New life form found on Earth: Deadly arsenic breathes life into organisms (Update, Video)
(PhysOrg.com) -- Evidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond Earth, ...
Space & Earth / Space Exploration
Dec 02, 2010 |
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Scientists discover new clue to the chemical origins of life
Organic chemists at the University of York have made a significant advance towards establishing the origin of the carbohydrates (sugars) that form the building blocks of life.
Jan 24, 2012 |
4.8 / 5 (26) |
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Model suggests how life's code emerged from primordial soup
(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. ...
Aug 07, 2009 |
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Multiple groups claim to create first atom-thick silicon sheets
(PhysOrg.com) -- Since its discovery in 2004, graphene -- sheets of carbon an atom thick -- has sparked a flurry of research into the nanomaterial's potential applications for blazing fast, tiny electronics. ...
Nanotechnology / Nanomaterials
Mar 30, 2012 |
4.9 / 5 (16) |
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Enzyme corrects more than one million faults in DNA replication
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
May 10, 2012 |
4.9 / 5 (16) |
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Going nature one better: Researchers learn biology's secrets for making tough, resilient materials
Nature has one very big advantage over any human research team: plenty of time. Billions of years, in fact. And over all that time, it has produced some truly amazing materials — using weak building blocks ...
Nanotechnology / Nanomaterials
Oct 22, 2010 |
4.8 / 5 (16) |
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Study builds on plausible scenario for origin of life on Earth
A relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a paper published in Nature Chemistry co-authored by a professor at the Un ...
Aug 09, 2011 |
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New understanding of the origin of galaxies
A new theory as to how galaxies were formed in the Universe billions of years ago has been formulated by Hebrew University of Jerusalem cosmologists. The theory takes issue with the prevailing view on how ...
Jan 21, 2009 |
4.5 / 5 (15) |
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'Worm speak' uses chemicals to communicate
(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...
Jan 26, 2012 |
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Meteorites reveal another way to make life's components
(PhysOrg.com) -- Creating some of life's building blocks in space may be a bit like making a sandwich – you can make them cold or hot, according to new NASA research. This evidence that there is more ...
Mar 09, 2012 |
4.8 / 5 (11) |
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Chemists devise a way to create a five point knotted molecule
(PhysOrg.com) -- Chemists have for a long time been interested in a type of molecule that is literally tied up into a knot. This is where atoms are bonded together to form strands, which are then twisted around ...
Dec 30, 2011 |
4.6 / 5 (11) |
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Scientists excited over hints of finding an elusive particle
Scientists are quivering with anticipation - flying halfway around the world for a close-up view of the action and devouring the latest updates from the blogosphere the way some girls track the doings of Justin Bieber.
Dec 12, 2011 |
3.5 / 5 (13) |
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Evolution provides clue to blood clotting
A simple cut to the skin unleashes a complex cascade of chemistry to stem the flow of blood. Now, scientists at Washington University School of Medicine in St. Louis have used evolutionary clues to reveal ...
Jul 20, 2011 |
4.9 / 5 (8) |
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Unknown ocean bacteria create entirely new theories
The earth's most successful bacteria are found in the oceans and belong to the group SAR11. In a new study, researchers from Uppsala University provide an explanation for their success and at the same time call into question ...
Sep 16, 2011 |
4.9 / 5 (8) |
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More energy efficient transistors through quantum tunneling
(PhysOrg.com) -- Researchers at the University of Notre Dame and Pennsylvania State University have announced breakthroughs in the development of tunneling field effect transistors (TFETs), a semiconductor ...
Mar 26, 2012 |
4.6 / 5 (7) |
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