News tagged with ocean science

Radioactive bluefin tuna crossed the Pacific to US

Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away - the first time a huge ...

Space & Earth / Environment

created May 28, 2012 | popularity 5 / 5 (4) | comments 15

A 'B12 shot' for marine algae? Scientists find key protein for algae growth in the ocean

Scientists have revealed a key cog in the biochemical machinery that allows marine algae at the base of the oceanic food chain to thrive. They have discovered a previously unknown protein in algae that grabs an essential ...

Biology / Cell & Microbiology

created May 31, 2012 | popularity 5 / 5 (2) | comments 3 | with audio podcast

Toxic mercury, accumulating in the Arctic, springs from a hidden source

(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Astronomers solve mystery of vanishing energetic electrons in Earth's outer radiation belt

UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.

Physics / General Physics

created Jan 29, 2012 | popularity 4.5 / 5 (11) | comments 14 | with audio podcast

What caused a giant arrow-shaped cloud on Saturn's moon Titan?

(PhysOrg.com) -- Why does Titan, Saturn's largest moon, have what looks like an enormous white arrow about the size of Texas on its surface?

Space & Earth / Space Exploration

created Aug 16, 2011 | popularity 4.5 / 5 (20) | comments 36 | with audio podcast

Bering Strait may be global temperature stabilizer

(Phys.org) -- A diverse group of climate researchers has found after running computer simulations that the strait that separates North America and Russia might be serving as a global temperature stabilizer. ...

Space & Earth / Earth Sciences

created Apr 10, 2012 | popularity 4.5 / 5 (10) | comments 61 | with audio podcast report

New research brings satellite measurements and global climate models closer

One popular climate record that shows a slower atmospheric warming trend than other studies contains a data calibration problem, and when the problem is corrected the results fall in line with other records ...

Space & Earth / Earth Sciences

created May 07, 2012 | popularity 3.9 / 5 (13) | comments 13 | with audio podcast

First life may have arisen above serpentine rock, researchers say

(PhysOrg.com) -- About 3.8 billion years ago, Earth was teeming with unicellular life. A little more than 4.5 billion years ago, the Earth was a ball of vaporous rock. And somewhere in between, the first organisms ...

Space & Earth / Earth Sciences

created Sep 23, 2011 | popularity 4.7 / 5 (7) | comments 10 | with audio podcast

Galileo spacecraft reveals magma 'ocean' beneath surface of Jupiter's moon Io

A new analysis of data from NASA's Galileo spacecraft has revealed that beneath the surface of Jupiter's volcanic moon Io is an "ocean" of molten or partially molten magma.

Space & Earth / Space Exploration

created May 12, 2011 | popularity 5 / 5 (5) | comments 3 | with audio podcast

Ocean's carbon dioxide uptake reduced by climate change

(PhysOrg.com) -- How deep is the ocean's capacity to buffer against climate change? As one of the planet's largest single carbon absorbers, the ocean takes up roughly one-third of all human carbon emissions, ...

Space & Earth / Earth Sciences

created Jul 10, 2011 | popularity 4.9 / 5 (12) | comments 15 | with audio podcast

Global warming pause linked to sulfur in China

Scientists have come up with a possible explanation for why the rise in Earth's temperature paused for a bit during the 2000s, one of the hottest decades on record.

Space & Earth / Earth Sciences

created Jul 04, 2011 | popularity 4.1 / 5 (20) | comments 40

Atmospheric warming altering ocean salinity

The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...

Space & Earth / Earth Sciences

created Apr 27, 2012 | popularity 3.8 / 5 (21) | comments 67 | with audio podcast

Scientist suggests life began in freshwater pond, not the ocean

(PhysOrg.com) -- For most everyone alive today, it's almost a fundamental fact. Life began in the ocean and evolved into all of the different organisms that exist today. The idea that this could be wrong causes ...

Space & Earth / Earth Sciences

created Feb 14, 2012 | popularity 4.5 / 5 (22) | comments 41 | with audio podcast report

New research points to the significant role of oceans in ancient global cooling (w/ video)

(PhysOrg.com) -- Thirty-eight million years ago, tropical jungles thrived in what are now the cornfields of the American Midwest and furry marsupials wandered temperate forests in what is now the frozen Antarctic. ...

Space & Earth / Earth Sciences

created May 26, 2011 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Rising air pollution worsens drought, flooding, study shows

Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in dry regions or seasons, while increasing rain, snowfall ...

Space & Earth / Earth Sciences

created Nov 13, 2011 | popularity 4.6 / 5 (9) | comments 3 | with audio podcast