News tagged with stanford
Sub-atomic-scale Writing Using a Quantum Hologram Sets New Size Record (Video)
Jan 28, 2009 |
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(PhysOrg.com) -- Physicists have set a new world record for the smallest writing, with features of letters as small as 0.3 nanometers, or roughly one third of a billionth of a meter. The accomplishment demonstrates ...
'Core-Shell' Silicon Nanowires May Improve Lithium-Ion Batteries
Jan 20, 2009 |
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(PhysOrg.com) -- Researchers have found a way to incorporate silicon into the structure of rechargeable lithium-ion batteries, which are used to power a wide variety of portable electronic devices, including ...
Engineers create intelligent molecules that seek-and-destroy diseased cells
Feb 13, 2009 |
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Current treatments for diseases like cancer typically destroy nasty malignant cells, while also hammering the healthy ones. Using new advances in synthetic biology, researchers are designing molecules intelligent enough to ...
Stanford researchers show adaptation plays a significant role in human evolution
Biology /
Jan 16, 2009 |
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For years researchers have puzzled over whether adaptation plays a major role in human evolution or whether most changes are due to neutral, random selection of genes and traits.
Billion-year revision of plant evolution timeline may stem from discovery of lignin in seaweed
Biology /
Jan 27, 2009 |
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Land plants' ability to sprout upward through the air, unsupported except by their own woody tissues, has long been considered one of the characteristics separating them from aquatic plants, which rely on water to support ...
Scientists discover source of cancer stem cells' resistance to radiation
Feb 04, 2009 |
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Much to the dismay of patients and physicians, cancer stem cells — tiny powerhouses that generate and maintain tumor growth in many types of cancers — are relatively resistant to the ionizing radiation often used as therapy ...
From stem cells to new organs: Scientists cross threshold in regenerative medicine
Biology /
Feb 26, 2009 |
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By now, most people have read stories about how to "grow your own organs" using stem cells is just a breakthrough away. Despite the hype, this breakthrough has been elusive. A new report published in the March 2009 issue ...
Researchers mine millions of metaphors through computer-based techniques
Technology / Computer Sciences
Mar 03, 2009 |
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Metaphors cannot be taught, asserted the great philosopher Aristotle. "It is the one thing that cannot be learnt from others." But a computer scientist and literary historian say he's wrong.
Shaken self-confidence? Certain products and activities can fix it
Jan 26, 2009 |
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Someone who has momentarily lost confidence in her intelligence is more likely to purchase a pen than a candy bar, according to a new study in the Journal of Consumer Research. The pen helps restore her belief in herself as an ...
Sex is in the brain, says new research
Medicine & Health / Neuroscience
Mar 02, 2009 |
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More than 40 percent of women ages 18-59 experience sexual dysfunction, with lack of sexual interest — hypoactive sexual desire disorder, or HSDD — being the most commonly reported complaint, according to medical researchers. ...
Scientists identify key component in cell replication
Jan 29, 2009 |
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Last week, a presidential limousine shuttled Barack Obama to the most important job in his life. Scientists at the Stanford University School of Medicine have now identified a protein that does much the same for the telomerase ...
Stanford researchers uncover link between 2 aging pathways in mice
Biology /
Jan 08, 2009 |
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Two previously identified pathways associated with aging in mice are connected, say researchers at the Stanford University School of Medicine. The finding reinforces what researchers have recently begun to suspect: that the ...
X-rays used to reveal secrets of famous fossil
Feb 15, 2009 |
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(PhysOrg.com) -- About 150 million years ago, an evolutionarily hybrid creature, a dinosaur on its way to becoming a bird, died in what is now Germany, and become fossilized in limestone.
British researcher says Facebook a brain drain
Feb 25, 2009 |
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This is your brain. This is your brain on Facebook.
Researchers uncover 'relocation' plan of metastatic cancer cells
Jan 05, 2009 |
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Few things are as tiresome as house hunting and moving. Unfortunately, metastatic cancer cells have the relocation process down pat. Tripping nimbly from one abode to another, these migrating cancer cells often prove far ...
