Rapid supernova could be new class of exploding star

Rapid supernova could be new class of exploding star

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.7 / 5 (17) | comments 5

(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...


The upside of feeling down

The upside of feeling down

Medicine & Health / Psychology & Psychiatry

created Nov 09, 2009 | popularity 4.4 / 5 (18) | comments 4

A chill wind chases you into the door of your local newsagent. Rain is drumming down outside. As you pay for your newspaper, you briefly notice a number of strange items on the checkout counter - a matchbox ...


A bubbling ball of gas

A bubbling ball of gas (w/ Video)

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.9 / 5 (16) | comments 6

The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...


Seattle team wins $900,000 in Space Elevator Games (AP)

Seattle team wins $900,000 in Space Elevator Games

Space & Earth / Space Exploration

created Nov 07, 2009 | popularity 4.5 / 5 (17) | comments 6

(AP) -- A Seattle team has collected a $900,000 prize in a NASA-backed competition to develop the concept of an elevator to space - an idea spurred by science fiction novels.


Solar LED lamps

Solar Cells with LEDs Provide Inexpensive Lighting

Technology / Energy

created Nov 09, 2009 | popularity 4.4 / 5 (17) | comments 2

(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...


Exoplanets Clue to Sun's Curious Chemistry

Exoplanets Clue to Sun's Curious Chemistry

Space & Earth / Astronomy

created Nov 11, 2009 | popularity 4.7 / 5 (16) | comments 13

(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...


Longevity tied to genes that preserve tips of chromosomes

Medicine & Health / Genetics

created 21 hours ago | popularity 5 / 5 (14) | comments 0

A team led by researchers at Albert Einstein College of Medicine of Yeshiva University has found a clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres - the tip ends ...


Earth

Early life on Earth may have developed more quickly than thought

Space & Earth / Earth Sciences

created Nov 11, 2009 | popularity 4.9 / 5 (14) | comments 0

The Earth's climate was far cooler -- perhaps more than 50 degrees -- billions of years ago, which could mean conditions for life all over the planet were more conducive than previously believed, according ...


Planetary Society plans new 'solar sail'

Space & Earth / Space Exploration

created Nov 09, 2009 | popularity 4.7 / 5 (14) | comments 1

(AP) -- Four years after its first solar sail ended up in the ocean instead of orbit, The Planetary Society announced Monday that by the end of 2010 it will try again to launch a spacecraft that will be propelled by the ...


Antarctic lake

Antarctic lake home to diverse community of viruses

Biology / Cell & Microbiology

created Nov 11, 2009 | popularity 5 / 5 (13) | comments 1

(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.


Unusual meteorite found by time-lapse camera observatory

Unusual meteorite found by time-lapse camera observatory

Space & Earth / Space Exploration

created Nov 05, 2009 | popularity 4.3 / 5 (15) | comments 3

(PhysOrg.com) -- An unusual meteorite with an interesting orbit has been tracked to the ground using a photographic observatory that records time-lapse images of fireballs traveling across the sky.


New 'finFETS' promising for smaller transistors, more powerful chips

New 'finFETs' promising for smaller transistors, more powerful chips

Technology / Semiconductors

created Nov 10, 2009 | popularity 4.8 / 5 (13) | comments 3

(PhysOrg.com) -- Purdue University researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers ...


Tesla Roadster

Tesla Roadster Goes 313 Miles on a Single Charge

Technology / Energy

created Nov 09, 2009 | popularity 4.4 / 5 (14) | comments 1

(PhysOrg.com) -- Tesla is becoming synonymous with high performance electric cars. Indeed, the Tesla car company has been making efforts to create a brand of sports car that runs on electricity, and does so ...


Turn On, Tune In, Develop?

Turn On, Tune In, Develop? Researchers Examine How Brain Benefits From Musical Training

Medicine & Health / Neuroscience

created Nov 06, 2009 | popularity 5 / 5 (11) | comments 4

For most people music is an enjoyable, although momentary, form of entertainment. But for those who seriously practiced a musical instrument when they were young, perhaps when they played in a school orchestra ...


Scientists visualize how bacteria talk to one another

Scientists visualize how bacteria talk to one another

Biology / Cell & Microbiology

created Nov 08, 2009 | popularity 4.8 / 5 (11) | comments 1

Using imaging mass spectrometry, researchers at the University of California, San Diego have developed tools that will enable scientists to visualize how different cell populations of cells communicate. Their ...