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Climatic variations influence the emergence of cholera in Africa
In studies aiming to understand better the emergence and persistence of cholera in Africa, IRD and CNRS researchers showed the strong correlation that exists between outbreaks and the different parameters linked to climate changes in West Africa.   view more (2007-09-06)

How trees manage water in arid environments
The summer of 2006 was the second warmest in the continental United States since records began in 1895, according to the National Climatic Data Center. Moderate to extreme drought conditions were evident in about 40 percent of the country.   view more (2007-01-05)

Social stress + darkness = increased anxiety
Just in time for Halloween, researchers are releasing new data that show darkness increases the impact of social stress, in an article scheduled for publication in the November 15th issue of Biological Psychiatry. As children and adults alike gear up for the anticipation and excitement of this... view more (2007-10-23)

Climate model predicts dramatic changes over next 100 years
The most comprehensive climate model to date of the continental United States predicts more extreme temperatures throughout the country and more extreme precipitation along the Gulf Coast, in the Pacific Northwest and east of the Mississippi.   view more (2005-10-18)

What can a magnet tell you about rain patterns? More than you would guess
If someone said you can understand rain patterns and the dynamics of the atmosphere by studying magnets and magnetism — and therefore make better predictions of the effects of global warming — would you think he's crazy? Brilliant?   view more (2006-06-22)

A "Swarm" of satellites for a unique look inside the Earth
ESA's Earth Observation Programme Board has just decided which of the six Earth Explorer candidate missions, presented earlier in April at the User Consultation Meeting, will be developed and launched. Swarm, an Earth Explorer Opportunity Mission, is a constellation of satellites which will study... view more (2004-06-03)

How Much Excess Fresh Water Was Added to the North Atlantic in Recent Decades?
Large regions of the North Atlantic Ocean have been growing fresher since the late 1960s as melting glaciers and increased precipitation, both associated with greenhouse warming, have enhanced continental runoff into the Arctic and sub-Arctic seas.   view more (2005-06-17)

Climate models help scientists understand global shifts in water availability
USGS scientists have a clearer picture of global shifts in water availability after examining a century of streamflow measurements from 165 locations around the world.   view more (2005-11-17)

Antarctic snow inaccurate temperature archive
According to Dutch researcher Michiel Helsen, annual and seasonal temperature fluctuations are not accurately recorded in the composition of the snow of Antarctica. His research into the isotopic composition of the Antarctic snow has exposed the complexity of climate reconstructions.   view more (2006-02-16)

Rise in California temperatures likely to affect crops
Increasing temperatures in California during the next 45 years could negatively affect the amount of almonds, walnuts, oranges, avocados and table grapes that Americans put on their tables.   view more (2006-12-05)

Ancient rocks show how young Earth avoided becoming giant snowball
A greenhouse gas that has become the bane of modern society may have saved Earth from completely freezing over early in the planet's history, according to the first detailed laboratory analysis of the world's oldest sedimentary rocks.   view more (2007-02-06)

'Deadly dozen' reports diseases worsened by climate change
Health experts from the Wildlife Conservation Society today released a report that lists 12 pathogens that could spread into new regions as a result of climate change, with potential impacts to both human and wildlife health and global economies.   view more (2008-10-07)

Climate models need deeper roots, scientists say
By soaking up moisture with their roots and later releasing it from their leaves, plants play an active role in regulating the climate. In fact, in vegetated ecosystems, plants are the primary channels that connect the soil to the atmosphere, with plant roots controlling the below-ground dynamics.   view more (2005-12-06)

Rotavirus Vaccine Found Not Guilty (pp 1197, 1224)
Worldwide, some 600 000 to 800 000 infants die yearly from severe diarrhoea caused by a rotavirus. In the USA, each year, about 50 000 infants are admitted to hospital with rotavirus infection, and of these about 20 die. These figures make a clear case for the need for a safe and effective vaccine... view more (2001-10-10)

Fatality Rates Increase with Repeal of Helmet Laws, MU Study Finds
Since 1975, more than 100,000 motorcycle riders in America have died in crashes. The majority of states required motorcycle helmets in 1975, but today, only 20 states have universal helmet laws that require all riders to wear helmets, 26 states have partial coverage laws (usually only for young... view more (2008-04-01)

NASA satellites watch as China constructs giant dam
Upon completion in 2009, the Three Gorges Dam along China's Yangtze River will be the world's largest hydroelectric power generator and one of the few man-made structures so enormous that it's actually visible to the naked eye from space.   view more (2007-06-13)

Cities incite thunderstorms, researchers find
Summer thunderstorms become much more fierce when they collide with a city than they would otherwise be in the open countryside, according to research led by Princeton engineers.   view more (2007-08-10)

Grasslands won't help buffer climate change as carbon dioxide levels rise
Because grasslands and forests operate in complex feedback loops with both the atmosphere and soil, understanding how ecosystems respond to global changes in climate and element cycling is critical to predicting the range of global environmental changes-and attendant ecosystem responses-likely to... view more (2005-08-09)

Mount Cameroon: a natural laboratory for reconstructing soil history
The mechanisms behind rock-weathering processes can provide vital clues for understanding and reconstructing the history of ancient environments and visualizing the physical conditions in which they were formed, especially climatic situations. Thick ancient coverings of weathered material such as... view more (2004-10-21)

Deep-rooted plants have much greater impact on climate than experts thought
Trees, particularly those with deep roots, contribute to the Earth's climate much more than scientists thought, according to a new study by biologists and climatologists from the University of California, Berkeley.   view more (2006-01-12)

Glass sensors measure weathering effects
The corrosiveness of a specific atmosphere can be established in a few weeks by thin slices of special glass. The sensors are capable of monitoring the outdoor environment as well as indoors, for instance in sensitive production processes such as chip fabrication.   view more (2004-10-04)

Link between sunspots, rain helps predict disease in east Africa
The research, conducted by paleoclimatologist Curt Stager of Paul Smith's College in Paul Smiths, N.Y. and colleagues, can be used by public health officials to increase measures against insect-borne diseases long before epidemics begin.   view more (2007-08-08)

LSU, Yale team study agricultural impact on Mississippi River
According to a study published in "Nature" by researchers at LSU and Yale University, farming has significantly changed the hydrology and chemistry of the Mississippi River, injecting more carbon dioxide into the river and raising river discharge during the past 50 years.   view more (2008-01-24)

NASA's Advanced Technology Peers Deep Inside Hurricanes
Determined to understand why some storms grow into hurricanes while others fizzle, NASA scientists recently looked deep into thunderstorms off the African coast using satellites and airplanes.   view more (2007-03-07)

'Airport malaria' -- cause for concern in the US
In a global world, significant factors affect the spread of infectious diseases, including international trade, air travel and globalized food production. "Airport malaria" is a term coined by researchers to explain the more recent spread of malaria to areas such as the United States and... view more (2008-11-12)
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