Antarctica was once a tropical paradise
August 2nd, 2012 - 8:07 pm ICT by IANS
London, Aug 2 (IANS) The chilly continent of Antarctica was once a tropical paradise where palm trees swayed on the green shores, a study has found.Around 50 million years ago, ... Read more...
Posted in World |
Arctic subjected to intense warm climate intervals
June 22nd, 2012 - 5:13 pm ICT by IANS
Washington, June 22 (IANS) Intense warm climate intervals - warmer than scientists thought possible - have occurred in the Arctic over the past 2.8 million years, reveals a research ... Read more...
Posted in Uncategorized |
Global warming curbs won’t prevent steep sea rise
March 21st, 2012 - 2:07 pm ICT by IANS
Sydney, March 21 (IANS) Even if we manage to curb global warming to two degrees Celsius, future generations could still face a sea level rise 12 to 22 metres higher ... Read more...
Posted in Environment |
Global warming was ‘more common 50m yrs ago’
March 17th, 2011 - 5:13 pm ICT by ANI
London, Mar 17 (ANI): Periods of intense global warming lasting tens of thousands of years occurred more frequently in the past than previously believed, according to a new study.A team, led by ... Read more...
Posted in Health Science |
Ocean circulation changes ‘more dramatic than previously thought’
January 15th, 2011 - 3:03 pm ICT by ANI
Washington, Jan 15 (ANI): A new study from Cardiff University has revealed that ocean circulation changes this winter may have been more dramatic than previously thought.The study found that as the last ... Read more...
Posted in Health Science |
Early settlers rapidly transformed Kiwi forests with fire
December 14th, 2010 - 3:38 pm ICT by ANI
Washington, Dec 14 (ANI): A new research has indicated that the speed of early forest clearance following human colonisation of the South Island of New Zealand was a lot faster and intense ... Read more...
Posted in Health Science |
Large CO2 release accelerates ice age melting
August 27th, 2010 - 5:47 pm ICT by ANI
London, Aug 27 (ANI): Using radiocarbon dating, researchers traced the pathway of carbon dioxide released from the deep ocean to the atmosphere at the end of the last ice age and found ... Read more...
Posted in Health Science |
Scientists unearth Great Barrier Reef’s 169,000-year-old great grandmother
August 20th, 2010 - 4:21 pm ICT by ANI
London, Aug 20 (ANI): Scientists have discovered a more ancient reef than the Great Barrier Reef - just 600 metres away from it.This year, an international team extracted 34 sediment cores from ... Read more...
Posted in Health Science |
Sea levels ‘could rise by more than 1m due to global warming’
July 7th, 2010 - 2:15 pm ICT by ANI
Washington, July 7 (ANI): A scientist has warned that climate change could drive up sea levels by twice as much as previously predicted.Scientists working for the UN concluded in a 2007 ... Read more...
Posted in Health Science |
Arctic ice at lowest point in recent geologic history
June 3rd, 2010 - 3:41 pm ICT by ANI
Washington, June 3 (ANI): Arctic ice has reached its lowest point in recent geologic history, reveals a new research.The study appears in Quarternary Science Reviews.A team led by Ohio State University ... Read more...
Posted in Health Science |
Seabirds’ diets cause metal contamination of Arctic ponds
May 26th, 2010 - 3:38 pm ICT by ANI
Washington, May 26 (ANI): Potent metals like mercury and lead, which are ingested by Arctic seabirds feeding in the ocean, end up in the sediment of polar ponds, a collaborative research team ... Read more...
Posted in Health Science |
Antarctica was once a warm “greenhouse” world
April 30th, 2010 - 3:08 pm ICT by ANI
Washington, Apr 30 (ANI): Antarctica, the ice-covered mass of land on the earth was once a warm "greenhouse" or "hothouse" world, according to results of a research expedition in Antarctic waters.The findings ... Read more...
Posted in Health Science |
Clamshells may provide most detailed record yet of global climate change
March 9th, 2010 - 3:48 pm ICT by ANI
London, March 9 (ANI): A team of scientists, who studied a haul of ancient Icelandic mollusks, has said that oxygen isotopes in clamshells may provide the most detailed record yet of global ... Read more...
Posted in Health Science |
Slow changes to Earth systems can amplify global warming
December 21st, 2009 - 1:52 pm ICT by ANI
Washington, December 21 (ANI): A new study has found that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse gases about 4.5 million years ago during the ... Read more...
Posted in Health Science |
Sea level up along US Atlantic coast
December 12th, 2009 - 9:18 pm ICT by IANS
Washington, Dec 12 (IANS) The rise in sea level along the US Atlantic coast was faster in the 20th century than over the past 4,000 years.
Using sediment cores from the Atlantic coast, ... Read more...
Posted in Sci-Tech |
Sophisticated hunters not to blame for driving mammoths to extinction
November 23rd, 2009 - 3:13 pm ICT by ANI
London, November 23 (ANI): In a new research, scientists have determined that sophisticated hunters cannot be blamed for driving mammoths to extinction, as these creatures and other giant ice-age mammals faced extinction ... Read more...
Posted in Health Science |
Grain sized fossil helps unspool climate change mystery
November 9th, 2009 - 5:30 pm ICT by IANS
Washington, Nov 9 (IANS) Deep under the sea, a sand grain sized fossil nestles among a billion of its closest dead kins. Known as foraminifera, these complex little shells of calcium carbonate ... Read more...
Posted in Sci-Tech |
Seafloor fossils to reconstruct Earth’s climates up to 250 million years ago
November 8th, 2009 - 1:30 pm ICT by ANI
Washington, November 8 (ANI): In a research lasting two decades, a scientist has studied ancient, deep-sea fossils to reconstruct the climates of Earth up to 250 million years ago. The scientist in ... Read more...
Posted in Health Science |
Evidence indicates Alexander the Great was not first at Alexandria
October 24th, 2009 - 1:55 pm ICT by ANI
Washington, October 24 (ANI): Researchers have come across evidence in the form of microscopic bits of pollen and charcoal in ancient sediment layers which indicate that Alexander the Great was not the ... Read more...
Posted in Health Science |
Research team all set to explore sacred Maya pools of Belize
September 14th, 2009 - 5:41 pm ICT by ANI
Washington, September 14 (ANI): A team of expert divers, a geochemist and an archaeologist is all set to become the first to explore the sacred pools of the southern Maya lowlands ... Read more...
Posted in Health Science |
Indo-Pacific warm pool may have been as hot during medieval times as it is today
August 28th, 2009 - 3:35 pm ICT by ANI
Washington, August 28 (ANI): A new 2,000-year-long reconstruction of sea surface temperatures (SST) from the Indo-Pacific warm pool (IPWP) suggests that temperatures in the region may have been as warm during the ... Read more...
Posted in Health Science |
Warm summers may have knocked out ice ages
August 25th, 2009 - 1:15 pm ICT by IANS
Sydney, Aug 25 (IANS) Warm summers in the northern and southern hemispheres may have knocked out the ice ages, says a new study.
"It is already known that wobbles in the earth's orbit ... Read more...
Posted in Sci-Tech |
Ecologist brings century-old eggs to life to study evolution
July 19th, 2009 - 11:08 am ICT by ANI
Washington, July 19 (ANI): An ecologist from the Cornell University has brought back to life century-old eggs of zooplankton to better understand evolution.Nelson Hairston Jr., chair of Cornell's Department of Ecology and ... Read more...
Posted in Health Science |
Sea ice formed in the Arctic before it did in Antarctica
July 16th, 2009 - 3:31 pm ICT by ANI
Washington, July 16 (ANI): A new study has concluded that significant sea ice formation occurred in the Arctic earlier than previously thought, which suggests that sea ice formed in the Arctic before ... Read more...
Posted in Health Science |
CO2 not only reason for curious spike in Earth’s temperature 55 million years ago
July 16th, 2009 - 2:15 pm ICT by ANI
Washington, July 16 (ANI): A new research has left scientists puzzled as it indicates that something other than carbon dioxide (CO2) was also responsible for a curious spike in Earth's temperature 55 ... Read more...
Posted in Health Science |
River delta areas can provide clue to environmental changes in 21st century
May 12th, 2009 - 1:54 pm ICT by ANI
Washington, May 12 (ANI): Researchers at Texas A and M University, US, have determined that the historical information that can be gathered from sediment cores collected in and around river delta areas ... Read more...
Posted in Health Science |
Tsunami hit New York City 2,300 years ago
May 4th, 2009 - 1:02 pm ICT by ANI
London, May 4 (ANI): Scientists have come up with a scenario that suggests a huge tsunami crashed into the New York City region 2,300 years ago, dumping sediment and shells across Long ... Read more...
Posted in Health Science |
Plants could override climate change effects on wildfires
April 22nd, 2009 - 3:01 pm ICT by ANI
Washington, April 22 (ANI): A new study has suggested that in some cases, changes in the types of plants growing in an area could override the effects of climate change on wildfire ... Read more...
Posted in Health Science |
Indo-German project to absorb CO2 from atmosphere now under way in Southern Ocean
January 30th, 2009 - 3:03 pm ICT by ANI
London, Jan 30 (ANI): An Indo-German project that aims to dump iron in the ocean to fix the climate by capturing carbon dioxide (CO2) from the atmosphere, is now under way ... Read more...
Posted in Health Science |
Noahs flood may have been much smaller than previously believed
January 24th, 2009 - 12:48 pm ICT by ANI
Washington, Jan 24 (ANI): In a new research, scientists have suggested that an ancient flood, similar to the biblical Noahs flood, which was believed to have occurred 9,500 years ago and ... Read more...
Posted in Health Science |
Post-pandemic reforestation in New World helped trigger Little Ice Age
December 19th, 2008 - 3:53 pm ICT by ANI
Washington, Dec 19 (ANI): A new analysis has suggested that post-pandemic reforestation in the New World helped trigger the Little Ice Age from 1500 to 1750.The analysis, by Stanford University researchers ... Read more...
Posted in Health Science |
Sunlight has more powerful influence on ocean circulation and climate than ice sheets
November 7th, 2008 - 4:16 pm ICT by ANI
Washington, Nov 7 (ANI): A new study has suggested that the distribution of sunlight, rather than the size of North American ice sheets, is the key variable in changes in the ... Read more...
Posted in National |
Huge Indian Ocean tsunamis occur every 600 years
October 31st, 2008 - 1:05 pm ICT by IANS
New York, Oct 31 (IANS) The devastating Indian Ocean tsunami of 2004, which claimed more than 200,000 lives, was not the first of its kind to hit the region, according to new ... Read more...
Posted in World |
Rising sea levels threaten west Antarctic ice sheets
June 25th, 2008 - 1:09 pm ICT by ANI
Canberra, June 25 (ANI): An Australian researcher has suggested that a rise of about 50 to 100 centimeters above the 1920 sea level, may be enough to threaten the west Antarctic ... Read more...
Posted in National |
Ancient Antarctic sediment will reveal climate change history
April 29th, 2008 - 2:30 pm ICT by admin
Washington, April 29 (ANI): Newly discovered ancient Antarctic sediment cores will give international scientists a close-up look at fluctuations that occurred in Antarcticas ice sheet and marine and terrestrial life as ... Read more...
Posted in Entertainment |