After less than a month in operation, a new NASA satellite has produced the first map showing how saltiness varies across the surface of the world’s oceans. Salt influences how seawater and heat move around the globe and also tells oceanographers how much rain and evaporation is happening at the surface. Until now, salt measurements…

For many in the developing world, education isn’t taken for granted. Around 35 million girls are out of school, the World Bank says, almost half of them in sub-Saharan Africa. In support of girls’ education, MCI joined the literacy organization LitWorld and other partners, including Connect To Learn, Asia Initiatives and the Children of Kibera…

From an evolutionary perspective, kin are worth assisting in direct relationship to their blood relatedness, or the probability that two individuals share genes. Though it can be difficult at first to think in these mathematically terms, inclusive fitness, parent-offspring conflict and sibling-sibling conflict radically transform our understanding of animal behavior and evolution.

The components of La Niña are getting ready to tango. But will their performance break any climate records this time around?

Read more about flies that are sexually aroused by food, tool use among fish, controversial bacteria that may use arsenic in place of phosphorus as the backbone of its DNA, and the nanostructures of ancient bugs in this week’s edition of The Critter Corner.

The New York Times reported yesterday on a new, simple approach to mosquito control that—if accurate–could be a game changer in the world’s efforts to eradicate mosquito-borne diseases.

In our latest video interview, climate scientist Tufa Dinku talks about his work on combining weather station data with satellite information to generate high-resolution data sets. These data could be used for making more accurate forecasts and can feed into other climate risk management activities, such as early-warning systems. With funding from Google.org, Dinku and…

After spending two days back in the big city of Fortaleza learning about the finer points of water management in the state of Ceará, I’ve returned to the rural municipality of Milhã, ground zero for the Columbia Water Center’s project to improve water access in Brazil’s semi-arid sertão region. Our group is now just three:…

World Bank looks to South African climate talks, Associated Press, Sept. 13 Andrew Steer, special envoy of the World Bank on climate change, is pushing for a focus on the impacts of climate change on agriculture and food security during the upcoming UNFCCC negotiations in Durban, South Africa. Although Durban is not expected to be…