Earth Sciences news

Clouds: Lighter than air but laden with lead

Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow

Space & Earth / Earth Sciences

created 14 hours ago | popularity 4.5 / 5 (4) | comments 7

(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...


Yellow submarine to try again for Atlantic glide (AP)

Yellow submarine to try again for Atlantic glide

Space & Earth / Earth Sciences

created 21 hours ago | popularity 4.8 / 5 (5) | comments 5

(AP) -- A second try is about to get under way at sending a little yellow submarine gliding across the Atlantic Ocean to collect scientific data from beneath the waves.


Sunset is seen over the sea

Catastrophic sea levels 'distinct possibility' this century: study

Space & Earth / Earth Sciences

created Apr 15, 2009 | popularity 4.5 / 5 (85) | comments 21

A breakthrough study of fluctuations in sea levels the last time Earth was between ice ages, as it is now, shows that oceans rose some three meters in only decades due to collapsing ice sheets.


Ancient ecosystem thrives millions of years below Antarctic glacier

Ancient ecosystem thrives millions of years below Antarctic glacier

Space & Earth / Earth Sciences

created Apr 16, 2009 | popularity 4.8 / 5 (21) | comments 12

(PhysOrg.com) -- A reservoir of briny liquid buried deep beneath an Antarctic glacier supports hardy microbes that have lived in isolation for millions of years, researchers report this week in the journal ...


Decline in greenhouse gas emissions would reduce sea-level rise, save Arctic Sea ice

Cuts in greenhouse gas emissions would save Arctic ice, reduce sea level rise

Space & Earth / Earth Sciences

created Apr 14, 2009 | popularity 4.6 / 5 (87) | comments 14

The threat of global warming can still be greatly diminished if nations cut emissions of heat-trapping greenhouse gases by 70 percent this century, according to a new analysis. While global temperatures would ...


Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'

Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'

Space & Earth / Earth Sciences

created Apr 17, 2009 | popularity 4.8 / 5 (76) | comments 7

(PhysOrg.com) -- New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next ...


Megadroughts in sub-Saharan Africa normal for the region

Megadroughts in sub-Saharan Africa normal for the region

Space & Earth / Earth Sciences

created Apr 16, 2009 | popularity 4.3 / 5 (8) | comments 6

Devastating droughts worse than the infamous Sahel drought are part of the normal climate regime for sub-Saharan West Africa, according to new research.


Moon and Earth

Discovered after 40 years: Moon dust hazard influenced by Sun's elevation

Space & Earth / Earth Sciences

created Apr 17, 2009 | popularity 3.8 / 5 (5) | comments 5

In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces ...


Probing Question: Can humans control the weather?

Probing Question: Can humans control the weather?

Space & Earth / Earth Sciences

created Apr 16, 2009 | popularity 3.6 / 5 (5) | comments 3

Chinese officials claimed they prevented rain on the first day of the 2008 Beijing Olympics by launching rockets into the rain clouds the night before. Emeritus professor of meteorology Charles L. Hosler asserts ...


Earth A

Origins of sulfur in rocks tells early oxygen story

Space & Earth / Earth Sciences

created Apr 16, 2009 | popularity 4.4 / 5 (7) | comments 2

(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced ...


People's misperceptions cloud their understanding of rainy weather forecasts

Space & Earth / Earth Sciences

created Apr 14, 2009 | popularity not rated yet | comments 2

(PhysOrg.com) -- If Mark Twain were alive today he might rephrase his frequently cited observation about everyone talking about the weather but not doing anything about it to say, "Everyone reads or watches ...


Satellites show how Earth moved during Italy quake

Satellites show how Earth moved during Italy quake

Space & Earth / Earth Sciences

created Apr 15, 2009 | popularity 4.6 / 5 (7) | comments 0

(PhysOrg.com) -- Studying satellite radar data from ESA's Envisat and the Italian Space Agency's COSMO-SkyMed, scientists have begun analysing the movement of Earth during and after the 6.3 earthquake that ...


Scientists pinpoint the 'edge of space'

Space & Earth / Earth Sciences

created Apr 09, 2009 | popularity 4.7 / 5 (14) | comments 0

Where does space begin? Scientists at the University of Calgary have created a new instrument that is able to track the transition between the relatively gentle winds of Earth's atmosphere and the more violent flows of charged ...


Solomon Islands earthquake sheds light on enhanced tsunami risk

Solomon Islands earthquake sheds light on enhanced tsunami risk

Space & Earth / Earth Sciences

created Apr 09, 2009 | popularity 4.1 / 5 (8) | comments 0

The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...


Did a nickel famine trigger the 'Great Oxidation Event'?

Did a nickel famine trigger the 'Great Oxidation Event'?

Space & Earth / Earth Sciences

created Apr 08, 2009 | popularity 4.5 / 5 (21) | comments 3

(PhysOrg.com) -- The Earth's original atmosphere held very little oxygen. This began to change around 2.4 billion years ago when oxygen levels increased dramatically during what scientists call the "Great ...




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