Earth

Atomic Particles Help Solve Planetary Puzzle

Space & Earth / Earth Sciences

created Nov 10, 2009 | popularity 4.5 / 5 (11) | comments 0

(PhysOrg.com) -- A University of Arkansas professor and his colleagues have shown that the Earth's mantle contains the same isotopic signatures from magnesium as meteorites do, suggesting that the planet formed ...


Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.8 / 5 (10) | comments 0

(PhysOrg.com) -- A chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean has been found by collaborating scientists at Rutgers University and the Woods Hole ...


Why can't chimps speak? Study links evolution of single gene to human capacity for language

Why can't chimps speak? Study links evolution of single gene to human capacity for language

Medicine & Health / Genetics

created 15 hours ago | popularity 4 / 5 (12) | comments 0

(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?


The collection and storage and retention of the household data makes it vulnerable to security breaches

New 'smart' electrical meters raise privacy issues

Technology / Energy

created Nov 06, 2009 | popularity 4.3 / 5 (11) | comments 12

The new "smart meters" utilities are installing in homes around the world to reduce energy use raise fresh privacy issues because of the wealth of information about consumer habits they reveal, experts said ...


'Dropouts' pinpoint earliest galaxies

'Dropouts' pinpoint earliest galaxies

Space & Earth / Astronomy

created Nov 06, 2009 | popularity 4.3 / 5 (11) | comments 13

Astronomers, conducting the broadest survey to date of galaxies from about 800 million years after the Big Bang, have found 22 early galaxies and confirmed the age of one by its characteristic hydrogen signature ...


Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Hubble Image Showcases Star Birth in M83, the Southern Pinwheel

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.6 / 5 (10) | comments 1

(PhysOrg.com) -- The spectacular new camera installed on NASA's Hubble Space Telescope during Servicing Mission 4 in May has delivered the most detailed view of star birth in the graceful, curving arms of ...


Chocolate

Chocolate rich in flavanols may protect the skin from UV

Medicine & Health / Health

created Nov 06, 2009 | popularity 5 / 5 (9) | comments 3

(PhysOrg.com) -- A new study has discovered for the first time that dark chocolate rich in flavanols may provide significant protection from the harmful effects of ultraviolet light.


Hydrogen milestone moves energy independence one step forward

Hydrogen milestone moves energy independence one step forward

Technology / Energy

created Nov 10, 2009 | popularity 4.1 / 5 (11) | comments 4

(PhysOrg.com) -- Big things often come in small packages. That's certainly the case with the potential created by recent successes in hydrogen research at Idaho National Laboratory.


The LHC tunnel

Peckish bird briefly downs big atom smasher

Physics / General Physics

created Nov 09, 2009 | popularity 4 / 5 (11) | comments 17

A peckish bird briefly knocked out part of the world's biggest atom smasher by causing a chain reaction with a piece of bread, the European Organisation for Nuclear Research (CERN) said Monday.


New Synthetic Molecules Trigger Immune Response to HIV and Prostate Cancer

New Synthetic Molecules Trigger Immune Response to HIV and Prostate Cancer

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.7 / 5 (9) | comments 0

(PhysOrg.com) -- Researchers at Yale University have developed synthetic molecules capable of enhancing the body’s immune response to HIV and HIV-infected cells, as well as to prostate cancer cells. Their ...


Ancient muscle tissue extracted from 18 million year old fossil

Ancient muscle tissue extracted from 18 million year old fossil

Other Sciences / Archaeology & Fossils

created Nov 05, 2009 | popularity 4.7 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists have extracted organically preserved muscle tissue from an 18 million years old salamander fossil. The discovery by researchers from University College Dublin, the UK and Spain, ...


1930s drug slows tumor growth

Medicine & Health / Medications

created Nov 06, 2009 | popularity 4.7 / 5 (9) | comments 1

Drugs sometimes have beneficial side effects. A glaucoma treatment causes luscious eyelashes. A blood pressure drug also aids those with a rare genetic disease. The newest surprise discovered by researchers at the Johns ...


Water Striders Mating

Mom was right: Why nice guys usually get the girls

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.6 / 5 (9) | comments 1

(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...


Earth's early ocean cooled more than a billion years earlier than thought: Stanford study

Earth's early ocean cooled more than a billion years earlier than thought (w/ Video)

Space & Earth / Earth Sciences

created 15 hours ago | popularity 4.6 / 5 (9) | comments 1

(PhysOrg.com) -- The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 ...


Stem cells restore mobility in neck-injured rats (w/ Video)

Medicine & Health / Research

created Nov 10, 2009 | popularity 5 / 5 (8) | comments 1

(PhysOrg.com) -- The first human embryonic stem cell treatment approved by the FDA for human testing has been shown to restore limb function in rats with neck spinal cord injuries - a finding that could expand the clinical ...