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The Two Circuits Of Auroral Arcs

The Two Circuits Of Auroral Arcs

Giant electrical circuits power the magical open-air light show of the auroras, forming arcs in high-latitude regions like Scandinavia. New results obtained thanks to ESA's Cluster satellites provide a new insight into the source of the difference between the two types of electrical circuits currently known to be associated to the auroral arcs.
The deep mechanisms that rule the creation of the beautiful auroras, or polar lights, have been the subject of studies that are keeping solar and plasma scientists busy since years.

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Earth-shattering Proof Of Continents On The Move

Earth-shattering Proof Of Continents On The Move

Africa is being torn apart. And as Ethiopia's rift valley grows slowly wider, an international team of scientists is taking a unique opportunity to plot the progress of continents on the move.
The 28-strong team is led by University of Leeds geophysicist Dr Tim Wright, who has secured a £2.5 million grant from the Natural Environment Research Council (NERC) to study the seismic events taking place in the remote Afar desert of Northern Ethiopia.
It's here that two mighty shelves of continental crust, the African and Arabian plates, meet -- and are tearing the landscape apart.

3D view of satellite radar measurements of how the ground moved in September 2005.

New Research Is First To Explore Regional Differences In US Serial Killings

New Research Is First To Explore Regional Differences In US Serial Killings

Did you know that people living in the Western region of the United States are more likely to become victims of a serial killer than people living in the Northeast? The February issue of Homicide Studies, published by SAGE, is the first to explore research looking at the considerable interstate and regional differences in serial killer activity.
The study led by University of Connecticut Emeritus Sociology Professor James DeFronzo examined male serial killers in the United States from 1970 to 1992 using sociological perspectives long used to understand other crimes.

Hubble Probes Layer-cake Structure Of Alien World's Atmosphere

Hubble Probes Layer-cake Structure Of Alien World's Atmosphere

The powerful vision of NASA's Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star. Hubble discovered a dense upper layer of hot hydrogen gas where the super-hot planet's atmosphere is bleeding off into space.

This artist's illustration shows an extrasolar planet orbiting very close to its host star. The planet designated HD 209458b, is about the size of Jupiter.

How Space Inspires Fashion

How Space Inspires Fashion

How can space inspire fashion? Has it inspired fashion throughout history? These were questions put to participants of a fashion workshop in Stockholm, timed to coincide with Christer Fuglesang’s trip to the ISS.

If It Can't Detect Missiles, Let's Use It To Detect Breast Cancer

If It Can't Detect Missiles, Let's Use It To Detect Breast Cancer

A breast cancer treatment based on MIT research originally intended for detecting missiles is documented in a new book by Alan J. Fenn, an MIT researcher and inventor of the technique.

Image at left shows process of detecting and destroying an enemy missile using MIT targeted radar. Microwave energy is fixed on a missile while simultaneously nullifying enemy jammers. On right, microwave energy is aimed at a cancerous tumor with a deep focused beam while simultaneously nullifying any energy that would overheat surrounding healthy tissue. (Image courtesy of Lincoln Laboratory_

Researchers Discover Zip Codes For Protein

Researchers Discover Zip Codes For Protein

McMaster scientists are very close to defining small molecule drugs that should be able to redirect the huntingtin protein from accumulating in the wrong place within brain cells, which could potentially translate to a therapy for Huntington's Disease (HD).

Three proteins viewed in a live cell. (Image courtesy of McMaster University)

Sea Launch Operations To Be Resumed Despite Liftoff Failure

Sea Launch Operations To Be Resumed Despite Liftoff Failure

Russia's Federal Space Agency said Wednesday it hopes the Sea Launch project will be resumed despite the explosion of a Zenit-3SL rocket carrying a commercial communications satellite.

"A Sea Launch Zenit-3SL vehicle, carrying the NSS-8 satellite, experienced an anomaly today during launch operations. Sea Launch will establish a Failure Review Oversight Board to determine the root cause of this anomaly," said a statement issued by Sea Launch.

Dig Deeper To Find Martian Life

Dig Deeper To Find Martian Life

Probes designed to find life on Mars do not drill deep enough to find the living cells that scientists believe may exist well below the surface of Mars, according to research led by UCL (University College London). Although current drills may find essential tell-tale signs that life once existed on Mars, cellular life could not survive the radiation levels for long enough any closer to the surface of Mars than a few metres deep -- beyond the reach of even state-of-the-art drills.

Elysium's frozen sea may be one of the best places to look for life on Mars. (Credits: ESA/DLR/Berlin/Neukum)

Molecular Motors And Brakes Work Together In Cells

Molecular Motors And Brakes Work Together In Cells

Researchers at the University of Pennsylvania School of Medicine have discovered that microtubules – components responsible for shape, movement, and replication within cells – use proteins that act as molecular motors and brakes to organize into their correct structure. If microtubules are not formed properly such basic functions as cell division and transport can go wrong, which may have implications in such disease processes as cancer and dementia. The study, published in the January issue of Cell, is featured on the cover of that issue.

Daughter microtubule (red) being formed on mother microtubule (red), within yeast cell (dashed line).