Europa Has Enough Oxygen For Life

Jupiter's Moon Europa Has Enough Oxygen For Life

Space & Earth / Earth Sciences

created Oct 16, 2009 | popularity 4.8 / 5 (91) | comments 42

New research suggests that there is plenty of oxygen available in the subsurface ocean of Europa to support oxygen-based metabolic processes for life similar to that on Earth. In fact, there may be enough ...


Statistics experts reject global cooling claims (AP)

Statistics experts reject global cooling claims

Space & Earth / Earth Sciences

created Oct 26, 2009 | popularity 4.6 / 5 (92) | comments 23

(AP) -- Have you heard that the world is now cooling instead of warming? You may have seen some news reports on the Internet or heard about it from a provocative new book.


Physicists Measure Elusive 'Persistent Current' That Flows Forever

Physicists Measure Elusive 'Persistent Current' That Flows Forever

Physics / General Physics

created Oct 08, 2009 | popularity 4.8 / 5 (58) | comments 16

(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...


Universes

Physicists Calculate Number of Parallel Universes

Physics / General Physics

created Oct 16, 2009 | popularity 3.1 / 5 (77) | comments 58

(PhysOrg.com) -- Over the past few decades, the idea that our universe could be one of many alternate universes within a giant multiverse has grown from a sci-fi fantasy into a legitimate theoretical possibility. ...


New Digital 'Electronics' Concept May Continue Moore's Law

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

created Nov 05, 2009 | popularity 4.6 / 5 (51) | comments 9

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...


Scientists discover gene that 'cancer-proofs' rodent's cells

Scientists discover gene that 'cancer-proofs' rodent's cells

Biology / Biotechnology

created Oct 26, 2009 | popularity 5 / 5 (47) | comments 13

(PhysOrg.com) -- Despite a 30-year lifespan that gives ample time for cells to grow cancerous, a small rodent species called a naked mole rat has never been found with tumors of any kind—and now biologists ...


Last time carbon dioxide levels were this high: 15 million years ago, scientists report

Last time carbon dioxide levels were this high: 15 million years ago, scientists report

Space & Earth / Earth Sciences

created Oct 08, 2009 | popularity 3.6 / 5 (63) | comments 137

You would have to go back at least 15 million years to find carbon dioxide levels on Earth as high as they are today, a UCLA scientist and colleagues report Oct. 8 in the online edition of the journal Science.


Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Physics / General Physics

created Nov 03, 2009 | popularity 4.5 / 5 (50) | comments 40

(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...


Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Technology / Engineering

created Oct 12, 2009 | popularity 4.2 / 5 (51) | comments 5

(PhysOrg.com) -- In urban areas, there’s almost always more than one way to get somewhere, but often it’s difficult to predict which road will be fastest. In an attempt to improve traffic flow and decrease ...


Chinese scientists create metamaterial black hole

Chinese scientists create metamaterial black hole

Physics / Optics & Photonics

created Oct 16, 2009 | popularity 4 / 5 (53) | comments 20

(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...


ultracapacitor buses

Ultracapacitors Make City Buses Cheaper, Greener

Technology / Energy

created Oct 21, 2009 | popularity 4.5 / 5 (45) | comments 31

(PhysOrg.com) -- A fleet of 17 buses near Shanghai has been running on ultracapacitors for the past three years, and today that technology is coming to the Washington, DC, for a one-day demonstration. Chinese ...


Giant impact near India -- not Mexico -- may have doomed dinosaurs

Giant impact near India -- not Mexico -- may have doomed dinosaurs

Space & Earth / Earth Sciences

created Oct 15, 2009 | popularity 4.8 / 5 (41) | comments 15

A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 ...


Time in a bottle: Scientists watch evolution unfold

Time in a bottle: Scientists watch evolution unfold

Biology / Evolution

created Oct 18, 2009 | popularity 4.6 / 5 (42) | comments 13

A 21-year Michigan State University experiment that distills the essence of evolution in laboratory flasks not only demonstrates natural selection at work, but could lead to biotechnology and medical research ...


New rechargeable zinc-air batteries coming soon

New rechargeable zinc-air batteries coming soon

Technology / Energy

created Oct 29, 2009 | popularity 4.5 / 5 (40) | comments 15

(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...


High-performance plasmas may make reliable, efficient fusion power a reality

High-performance plasmas may make reliable, efficient fusion power a reality

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.7 / 5 (37) | comments 31

In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability ...