On Brazilians’ exposure to pesticides, one thing’s for certain: Farmland is expanding.

  Brazil is the world’s largest consumer of pesticides. But how dangerous are they to Brazilians? A new study out in the journal Chemosphere implies that pesticides are carcinogenic to Brazilians by showing a positive correlation between pesticide sales and colon cancer mortality rates in the country. But the authors – who hail from University of São Paulo, Ribeirão Preto, the U.K.’s University of Central Lancashire, … Continue reading On Brazilians’ exposure to pesticides, one thing’s for certain: Farmland is expanding.

Five impressive scientists we met in 2014

Ezequiel Petrillo in Argentina Ezequiel Petrillo (pictured above) is an Argentine biochemist studying how chloroplasts behave differently depending on the amount of light exposure. He is trying to understand how a plant self-regulates and adapts to different environmental conditions by employing alternative RNA splicing, a process by which a single gene can give rise to … Continue reading Five impressive scientists we met in 2014

Latin America: More than 50,000 kilometers of coastline of offshore wind potential

  by Luis Armando Pagan Quinones In recent years, Latin America has experienced sustained economic and population growth. Due to this growth, energy demand in Latin American countries continues to rise and governments will need to develop a strategy to meet their energy needs in sustainable ways. The World Bank and the International Energy Agency … Continue reading Latin America: More than 50,000 kilometers of coastline of offshore wind potential

New ‘Game of Thrones’ slug found in Brazil, the ‘sponge effect’ of Latin America’s tropical forests, and Peru’s scientific cruise sails for Antarctica.

BRAZIL Brazilian scientists have discovered a slug that lives on the northwest coast of the country which they dubbed Tritonia khaleesi in honor of the character from the renowned television series “Game of Thrones.” The slug can grow up to 12 mm long and has a white stripe along the body that resembles the braid … Continue reading New ‘Game of Thrones’ slug found in Brazil, the ‘sponge effect’ of Latin America’s tropical forests, and Peru’s scientific cruise sails for Antarctica.

Weekly digest: An in-depth look at Belo Monte dam, the threat of a fungus on Latin America’s bananas and exporting the Galapagos model to Chile.

BRAZIL In mid-2011, construction started on Brazil’s Belo Monte hydroelectric dam on a southeast tributary of the Amazon started and by early 2015 should supply 18 million people with its 11,200 MW capacity. Of course, that’s when the Xingu river is flowing at full strength. The average capacity will generate 4,500 MW. Folha de Sao … Continue reading Weekly digest: An in-depth look at Belo Monte dam, the threat of a fungus on Latin America’s bananas and exporting the Galapagos model to Chile.

Peru’s disappearing glaciers, a state of emergency in Brazil due to a caterpillar, and Rio de Janeiro’s sewage problems.

BRAZIL Brazil has declared a state of emergency in Mato Grosso, its main crop growing state, due to an infestation from an invasive caterpillar in corn, soy and cotton crops. Last summer, the pests caused $4.7 billion in damage. [inlinetweet prefix=”” tweeter=”” suffix=”via @LatAmSci”]Rio de Janeiro is having sewage problems at the site of its … Continue reading Peru’s disappearing glaciers, a state of emergency in Brazil due to a caterpillar, and Rio de Janeiro’s sewage problems.

Monitoring whales in Argentina, gold mining and deforestation in Peru, and measuring biodiversity in the Amazon.

AMAZON More than 400 new species have been cataloged in the Amazon, says the World Wildlife Fund. ARGENTINA Argentine scientists have been studying whales off the coast of Patagonia for more than 30 years. Monitoring has been happening off the coast of the Península Valdés and 150,000 aerial images of 2,850 whales have been taken. Scientists at … Continue reading Monitoring whales in Argentina, gold mining and deforestation in Peru, and measuring biodiversity in the Amazon.

Dolphins slaughtered off Peru’s shores, leukemia therapy in Brazil and tree species in the Amazon.

PERU Activists videotape the slaughter of dolphins off the coast of Peru. t.co/GRXDLE7mrw Corruption in Peru Aids Cutting of Rain Forest here. ARGENTINA AP finds deadly consequences of pesticide use in rural Argentina, dangerously close to schools here. BRAZIL Researchers in São Paulo develop nanoparticles to detect leukemia here. A fire in Brazil’s largest port burns … Continue reading Dolphins slaughtered off Peru’s shores, leukemia therapy in Brazil and tree species in the Amazon.

Argentine scientists study memory and forgetting in crabs, drug-trafficking in Bolivia’s Gran Chaco, and the state of science in Colombia.

ARGENTINA Scientists in Argentina are studying the crab Chasmagnathus granulathus to study how memories are formed and altered in the brain. The researchers are studying the protein NF-kB which is implicated in forgetting–a process that is arguably just as important as remembering. Revista Anfibia’s photos are here. Argentine researchers are developing robots for incorporation into … Continue reading Argentine scientists study memory and forgetting in crabs, drug-trafficking in Bolivia’s Gran Chaco, and the state of science in Colombia.

Engineering technology for health in Mexico, developing new food flours in the Dominican Republic, and biodiversity in Costa Rica

ANTARCTICA Brazil will rebuild the scientific base that burned down last year on King George Island in Antarctica. It will cover 4,500 square meters and include 17 laboratories for 64 people. ARGENTINA Researchers at the National University of Salta have developed low-cost solar water heaters for use by indigenous communities in the region. In addition, … Continue reading Engineering technology for health in Mexico, developing new food flours in the Dominican Republic, and biodiversity in Costa Rica

Fighting dengue in Paraguay, climate change in the Brazilian Amazon, and ancient microorganisms in Antarctica.

ANTARCTICA

A team of scientists has determined that a major cause of melting corresponds to the bottom of submerging ice shelves.

Climate change could raise the temperature in the Brazilian Amazon by six degrees and convert 45% of rain forest areas into savannah. Credit: WikiCommons.

Researchers drilling to the bottom of Lake Hodgson of Antarctica have found microorganisms that date back 100,000 years. DNA studies will soon determine whether these findings are an unknown species.

ARGENTINA

A University of Mendoza study has demonstrated the neuroprotective effects of progesterone and their possible application as treatment for Parkinson’s disease. This research was commended by the Society of Biology of the Cuyo.

A team of researchers from the Universidad Nacional del Litoral has isolated bacteria from infant feces and breast milk for use in probiotics. The team’s intention is to grow up these microorganisms to commercial quantities so they can be incorporated into the daily glass of milk in low-income schools.

Continue reading “Fighting dengue in Paraguay, climate change in the Brazilian Amazon, and ancient microorganisms in Antarctica.”

Giant African land snails are invading Latin America

by Ali Hendren

In 1988 at an agribusiness expo in Curitiba in southern Brazil, giant African land snails (Achatina fulica) were heralded as a promising new food source to replace smaller escargot snails. The introduction at the fair was so widely advertised and aggressively marketed that commercial breeders, cooperatives and even private homeowners began rearing the snails–endemic to eastern Africa–immediately with kits sold at the expo.

“The snails were supposed to represent social and economic progress for Brazil,” says Roberto Vogler, an Argentine scientist who studies the snails along the border his country shares with Brazil. “They were going to position the country as the world’s leading supplier of escargot.”

But a booming escargot market in Brazil never materialized. Many of the smaller producers had neither the means to properly process the meat nor the public demand to drive a now flooded market. Frustrated with their failed investment, operations were abandoned and snails were released into the wild in overwhelming numbers.

Today, the infestation has spread throughout Latin America–and not at a snail’s pace. They’ve invaded 24 of Brazil’s 26 states, spread through Venezuela and Colombia and have breached the borders of Paraguay, Argentina, Ecuador and Peru–posing both an agricultural and a public health threat. The snails are sweeping the continent carrying parasites and an appetite for most any crop.

The snails’ pace

On paper, the introduction of A. fulica for escargot farming in Brazil appeared promising. The snails are larger Continue reading “Giant African land snails are invading Latin America”