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Quantum computer as detector shows space is not squeezed

Ever since Einstein proposed his special theory of relativity in 1905, physics and cosmology have been based on the assumption that space looks the same in all directions -- that it's not squeezed in one direction relative to another. Show More Summary

Protein pathway involved in nicotine-induced lung cancer metastasis found

Smoking is the leading cause of lung cancer, and it is estimated that more than 159,000 people in the United States died from the disease last year. Most of these deaths were because the cancer had spread to other organ sites. Following their recent discovery of a protein pathway, researchers are one step closer to understanding how lung cancer cells metastasize.

The SOTU and Bipartisanship

Critics of the President’s State of the Union address noted it did little to promote bipartisanship. Yet, it has already stimulated bipartisan agreement on one of the President’s education proposals. In the State of the Union, President Obama proposed free community college: “I am sending this Congress a bold new plan to lower the cost […]

A Surreal End for an Unforgettable Queen: Pedro Lemebel, 1952-2015

Pedro Lemebel, the Chilean writer, artist, activist, and provocateur, died last Friday morning of laryngeal cancer. By the afternoon, newspapers in Latin America and Spain teemed with tributes. In his native Santiago, hundreds gathered for his funeral on Saturday, and celebrities and politicians competed to offer the most extravagant praise. Show More Summary

Molecular alterations in head and neck cancers uncovered by study

A new study shows genomic differences in head and neck cancers caused by infection with the human papillomavirus. In addition, researchers have uncovered new smoking-related cancer subtypes and potential new drug targets, and found numerous genomic similarities with other cancer types. Show More Summary

Greeks Vote Against Euro and For Democracy

Doug Bandow Greece’s parliamentary elections could reshape Europe. In voting for the radical left the Greek people have reinvigorated home rule and democracy across the continent. Greece has been in economic crisis seemingly for eternity. Show More Summary

Damaged DNA may stall patrolling molecule to initiate repair

Sites where DNA is damaged may cause a molecule that slides along the DNA strand to scan for damage to slow on its patrol, delaying it long enough to recognize and initiate repair. These finding suggest that the delay itself may be the key that allows the protein molecule to find its target, according to researchers.

Rethinking Currency Manipulation

Daniel R. Pearson Interest groups in the United States have focused on the possibility of including provisions in trade agreements with the intent of countering currency manipulation. The concern is that another country may choose to reduce the value of its currency relative to the U.S. Show More Summary

Australopithecus africanus Used its Hand Like a Modern Human

Human-like hand use in Australopithecus africanusAuthors:Skinner et alAbstract:The distinctly human ability for forceful precision and power “squeeze” gripping is linked to two key evolutionary transitions in hand use: a reduction in arboreal climbing and the manufacture and use of tools. Show More Summary

Anthropology: Ancient skull from Galilee cave offers clues to the first modern Europeans

Interior of the Manot Cave in Israel's Galilee, where a 55,000-year-old skull sheds new light on human migration patterns. Th e discovery of a 55,000-year-old partial skull in Northern Israel provides new insights into the migration of modern humans out of Africa. Show More Summary

Skull discovery suggests location where humans first had sex with Neanderthals

Views of the human skull, with missing jaw, found in western Galilee, northern Isreal and estimated at 55,000 years old. Photograph: Tel Aviv University and University of Vienna An ancient skull found in a cave in northern Israel has cast light on the migration of modern humans out of Africa and the dawn of humanity’s colonisation of the world. Show More Summary

Found in Spain: traces of Hannibal's troops

Spanish archaeology students have discovered a 2,200-year-old moat in what is now the Catalan town of Valls, filled with objects providing evidence of the presence of troops of the Carthaginian general Hannibal in the area. The moat,...Show More Summary

Playing with puzzles, blocks may build children's spatial skills

Play may seem like fun and games, but new research shows that specific kinds of play are actually associated with development of particular cognitive skills. Data from an American nationally representative study show that children who play frequently with puzzles, blocks, and board games tend to have better spatial reasoning ability. Show More Summary

Anthropology: Ancient skull from Galilee cave offers clues to the first modern Europeans

The discovery of a 55,000-year-old partial skull in Northern Israel provides new insights into the migration of modern humans out of Africa. The rare find is reported by an international team of Israeli, North American and European researchers.

Spiky 'hedgehog particles' for safer paints, fewer VOC emissions

A new process that can sprout microscopic spikes on nearly any type of particle may lead to more environmentally friendly paints and a variety of other innovations.

New Discoveries at From the Jehol Biota Lagerstatte

The Jehol Biota, an Early Cretaceous terrestrial Lagerstätte: new discoveries and implicationsAuthor:Zhou Abstract:The study of the Early Cretaceous terrestrial Jehol Biota, which provides a rare window for reconstruction of a Lower Cretaceous terrestrial ecosystem, is reviewed with a focus on some of the latest progress. Show More Summary

New model for preserving donor tissue will allow more natural joint repair for patients

Currently, doctors have to throw away more than 80 percent of donated tissue used for joint replacements because the tissue does not survive long enough to be transplanted. Now, researchers have developed a new technology that more than doubles the life of the tissue. Show More Summary

Mobile apps take students into the laboratory

Mobile apps have proved to be valuable educational tools, but laboratory instructors thus far have been limited to using mobile devices only for virtual laboratories with simulated experiments. Now, researchers have developed a series of mobile applications that allow students to remotely interact with real data and equipment in real laboratories. Show More Summary

Chimps with higher-ranking moms do better in fights

For chimpanzees, just like humans, teasing, taunting and bullying are familiar parts of playground politics. An analysis of twelve years of observations of playground fights between young chimpanzees in East Africa finds that chimps with higher-ranked moms are more likely to win.

Demystifying nanocrystal solar cells

Researchers have developed a comprehensive model to explain how electrons flow inside new types of solar cells made of tiny crystals. The model allows for a better understanding of such cells and may help to increase their efficienc...

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