Differences between Martian meteorites and rocks examined by a NASA rover can be explained if Mars had an oxygen-rich atmosphere 4000 million years ago—well before the rise of atmospheric oxygen on Earth ...
just added
not rated yet
0
|
The history of a new type of crab, nicknamed 'The Hoff' because of its hairy chest, which lives around hydrothermal vents deep beneath the Southern Ocean and Indian Ocean, has been revealed for the first ...
18 hours ago
5 / 5 (2)
0
|
(Phys.org) —A missing link in the story of how the fishes triumphed over toxic oceans and past climate changes has been revealed by an international team of scientists.
Jun 17, 2013
5 / 5 (3)
0
Photoacoustic (PA) imaging is a method to visualize structures with optical contrast in biological tissue. Despite the strong optical scattering in tissue, high resolution images in the visible and near infrared ...
Jun 13, 2013
not rated yet
0
(Phys.org) —With the daily mean concentrations of atmospheric carbon dioxide having reached 400 parts-per-million for the first time in human history, the need for carbon-neutral alternatives to fossil ...
Jun 10, 2013
2.2 / 5 (5)
0
|
(Phys.org) —New research by an Indiana University scientist reveals the value of restoring wetlands and riparian habitat on agricultural lands. The study is among the first to demonstrate the water quality benefits of converting ...
Jun 07, 2013
5 / 5 (6)
0
A record 6.6 tonnes of cargo were hurtling towards the International Space Station after being blasted into orbit by a European rocket from French Guiana on Wednesday.
Jun 05, 2013
5 / 5 (5)
0
The Boeing Company of Houston, a NASA Commercial Crew Program (CCP) partner, recently performed wind tunnel testing of its CST-100 spacecraft and integrated launch vehicle, the United Launch Alliance (ULA) Atlas V rocket. ...
Jun 04, 2013
5 / 5 (2)
0
As ice sheets melted during the deglaciation of the last ice age and global oceans warmed, oceanic oxygen levels decreased and "denitrification" accelerated by 30 to 120 percent, a new international study ...
Jun 03, 2013
4.5 / 5 (2)
0
|
Stanford University scientists have developed an advanced zinc-air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts. The results, ...
May 29, 2013
4.6 / 5 (29)
11
|
(Phys.org) —How our bodies break down the common drugs ibuprofen, diclofenac and warfarin is the subject of a new study from the University of Bristol, published in the Journal of the American Chemical So ...
May 24, 2013
5 / 5 (1)
0
A team of researchers has captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic cells. ...
May 23, 2013
5 / 5 (1)
0
|
(Phys.org) —Cubic zirconia has long been favored for its use in costume jewelry. Known scientifically as yttria-stabilized zirconia, it is also a known conductor of oxygen, making it useful as an electrolyte ...
May 23, 2013
3.8 / 5 (4)
0
|
(Phys.org) —Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers at LMU now report how byproducts of respiration cause mispairing ...
May 22, 2013
4.5 / 5 (2)
0
|
