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Posted: 02 Jul 2009 08:50 PM PDT
Imagine if you could look at something once and remember it forever. You would never have to ask for directions again. Now a group of scientists has isolated a protein that mega-boosts your ability to remember what you see.
Posted: 02 Jul 2009 08:10 PM PDT
Enormous cloud of hydrogen gas spans several hundred thousand light-years in this remarkable image (left), a composite of x-ray, optical, and infrared data from space and ground based observatories. The gigantic, amoeba-like structure is seen as it was when the universe was a mere 2 billion years old (about 12 billion years ago).
Posted: 02 Jul 2009 08:00 PM PDT
A molecule called telomerase, known for enabling unlimited cell division of stem cells and cancer cells, has a surprising additional role in the expression of genes in an important stem cell regulatory pathway. The finding may lead to new anticancer therapies and a better understanding of how adult and embryonic stem cells divide and specialize.
Posted: 02 Jul 2009 06:34 PM PDT
Posted: 02 Jul 2009 06:34 PM PDT
(12 votes - 4 comments - 120 views)
Neuroscience has learned much about the brain's activity and its link to certain thoughts. As Lesley Stahl reports, it may now be possible, on a basic level, to read a person's mind.
Posted: 02 Jul 2009 06:01 PM PDT
Posted: 02 Jul 2009 05:10 PM PDT
Supermassive black holes are thought to be formed from the merger of medium-sized black holes, but no one had ever found one, until this week.
Posted: 02 Jul 2009 04:39 PM PDT
(12 votes - 0 comments - 284 views)
Bill Gates recently bought the rights to a series of lectures by legendary Caltech physicist Richard Feynman. The former Microsoft head's purchase shows that the cultural and scientific legacy of Feynman remains strong even 21 years after his death.
The lectures, given in 1964 as part of Cornell University's Messenger Lecture Series, were filmed by the BBC, who had retained the rights since. Gates purchased the lectures for an undisclosed amount.
But what would the former Microsoft head want with the copyright to lectures by the revered physicist? In a recent interview with the CERN Bulletin, Gates said that his only plan is to make the footage freely available to the public.
Add to that Gates' reverence for Feynman, and it makes sense. The lectures are only the latest addition to Gates' personal collection of Feynman-related material, which includes original manuscripts of some of Feynman's best known work.
- from Symmetry Magazine
Posted: 02 Jul 2009 03:40 PM PDT
The Mars Phoenix Land died this past November, NASA researchers have been busy confirming its early finds—water ice!— and poring over the lander's data. Most of the attention is focused on whether Phoenix's data conclusively shows evidence that liquid water once flowed across Mars. In short, signs point to yes.
Posted: 02 Jul 2009 01:16 PM PDT
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