News tagged with stanford
New evidence of hormone therapy causing breast cancer, professor says
Feb 04, 2009 |
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Postmenopausal women who take combined estrogen plus progestin menopausal hormone therapy for at least five years double their annual risk of breast cancer, according to new analyses from a major study that clearly establishes ...
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 ...
Stanford study prevents pancreatic tumor growth in mice by inhibiting key protein
Feb 01, 2009 |
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Researchers at Stanford University School of Medicine have identified a protein critical for the growth of pancreatic cancer. Blocking the expression of the protein slowed or prevented tumor growth in mice and made cultured ...
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 ...
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 ...
Marching to the beat of the same drum improves teamwork
Medicine & Health / Psychology & Psychiatry
Jan 28, 2009 |
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Armies train by marching in step. Religions around the world incorporate many forms of singing and chanting into their rituals. Citizens sing the National Anthem before sporting events. Why do we participate in these various ...
Sociability traced to particular region of brain
Jan 27, 2009 |
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People with a genetic condition called Williams syndrome are famously gregarious. Scientists, looking carefully at brain function in individuals with Williams syndrome, think they may know why this is so. The researchers ...
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 ...
New findings on old kidneys could enhance transplants, study shows
Jan 26, 2009 |
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The older the kidney, the worse it works — though exactly how much worse isn't known. But with a mean wait time of over three years for a kidney transplant, even old kidneys are in demand. The challenge for doctors is to ...
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 ...
'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 ...
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.
New tool could prevent needless stents and save money, cardiologist says
Jan 14, 2009 |
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Doctors may be implanting too many artery-opening stents and could improve patient outcomes — and ultimately save lives — if they did more in-depth measurements of blood flow in the vessels to the heart. That's the finding ...
Stanford launches $100 million initiative to tackle energy issues
Jan 13, 2009 |
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Recognizing that energy is at the heart of many of the world's tribulations—economic, environmental and political—Stanford is establishing a $100 million research institute to focus intently on energy issues, President John ...
Half of world's population could face climate-induced food crisis by 2100
Jan 08, 2009 |
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Rapidly warming climate is likely to seriously alter crop yields in the tropics and subtropics by the end of this century and, without adaptation, will leave half the world's population facing serious food shortages, new ...
