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Saturday, December 29, 2012

Chinese Medicine Yields Secrets: Atomic Mechanism of Two-Headed Molecule Derived from Chang Shan, a Traditional Chinese Herb


The mysterious inner workings of Chang Shan -- a Chinese herbal medicine used for thousands of years to treat fevers associated with malaria -- have been uncovered thanks to a high-resolution structure solved at The Scripps Research Institute (TSRI). Scripps Research...

Friday, December 28, 2012

Strange Behavior: New Study Exposes Living Cells to Synthetic Protein


One approach to understanding components in living organisms is to attempt to create them artificially, using principles of chemistry, engineering and genetics. A suite of powerful techniques -- collectively referred to as synthetic biology -- have been used to produce...

Human Evolution Driven By Changing Environment


A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University. The researchers examined lake sediments from Olduvai Gorge in northern...

Sunday, December 23, 2012

Sound Beam Could One Day Be Invisible Scalpel


A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. The University of Michigan engineering researchers who developed the new therapeutic ultrasound approach say it could lead to an invisible...

Friday, December 21, 2012

Maya Scholar Debunks World-Ending Myth


As we hurtle toward the end of 2012, the conversation about a certain date with roots in an ancient Maya calendar has reached a fever pitch. David Stuart discusses the new inscriptions with colleagues from Tulane University and Universidad del Valle de Guatemala....

Scientists Create Nanoscale Window to Biological World


If the key to winning battles is knowing both your enemy and yourself, then scientists are now well on their way toward becoming the Sun Tzus of medicine by taking a giant step toward a priceless advantage -- the ability to see the soldiers in action on the battlefield. A...

Monday, October 15, 2012

Highest Freefall From Edge Of Space


Felix Baumgartner Successfully Lands After Highest Freefall from Edge of Space Austria's Felix Baumgartner earned his place in the history books on Sunday (Oct. 14, 2012) after overcoming concerns with the power for his visor heater that impaired his vision and nearly...

Sunday, October 14, 2012

Complex Logic Circuit from Bacterial Genes


By force of habit we tend to assume computers are made of silicon, but there is actually no necessary connection between the machine and the material. All that an engineer needs to do to make a computer is to find a way to build logic gates -- the elementary building...

'Invisibility': Key to Better Electronics?


Visual 'Cloaking' Technology Enables More Efficient Transfer of Electrons  A new approach that allows objects to become "invisible" has now been applied to an entirely different area: letting particles "hide" from passing electrons, which could lead to more...

Saturday, October 13, 2012

Gravity Lenses: When Galaxies Eat Galaxies


Using gravitational "lenses" in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser -- evidence of repeated collisions and mergers by massive galaxies with 100 billion stars. This image, taken by the Hubble Space...

Thursday, October 11, 2012

Nobel Prize in Chemistry 2012: Smart Receptors On Cell Surfaces


The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2012 to Robert J. Lefkowitz Howard Hughes Medical Institute and Duke University Medical Center and Brian K. Kobilka Stanford University School of Medicine "for studies of G-protein-coupled...

Monday, July 23, 2012

Coursera makes top college courses free online


Daphne Koller and Andrew Ng share a vision in which anyone, no matter how destitute, can expand their minds and prospects with lessons from the world's top universities. Coursera co-founders Andrew Ng and Daphne Koller That dream was joined this week by a dozen vaunted...

'Minority Report' software hits the real world


The software behind the film "Minority Report" -- where Tom Cruise speeds through video on a large screen using only hand gestures -- is making its way into the real world. The interface developed by scientist John Underkoffler has been commercialized by the Los Angeles...

Saturday, July 21, 2012

Entire Genetic Sequence of Individual Human Sperm Determined


The entire genomes of 91 human sperm from one man have been sequenced by Stanford University researchers. The results provide a fascinating glimpse into naturally occurring genetic variation in one individual, and are the first to report the whole-genome sequence...