Rate rise lifts economic hopes in Brazil

Investors are betting Dilma Rousseff will change fiscal tack

Argentina seeks its own shale boom

Country wants investors not scared off by default

Ebola mission brings pride to Cuba

Castro’s initiative wins international praise – and scepticism

Mexico: Caught in the crossfire

Security woes are threatening to ruin President Enrique Peña Nieto’s record of success

A supporter of Brazil's President Dilma Rousseff, who is presidential candidate for the Workers Party (PT), celebrates after the result of the elections showed the victory of Dilma in Sao Paulo, Brazil on Sunday, October 26, 2014. Rousseff was re-elected on the second runoff and defeated the candidate Aecio Neves, from the Brazilian Social Democracy Party (PSDB). (Photo by Tiago Mazza Chiaravalloti/NurPhoto)

Real falls sharply on Brazil election result

Markets concerned by Rousseff victory

Rousseff scores narrow victory in Brazil

Brazilian real falls 3.1% to lowest since May 2005

Uruguay presidential poll goes to run-off

Leftwing candidate Tabaré Vázquez fails to win outright

Polls show Neves recovery as Brazil votes

New middle class expected to be deciding factor

Middle class key to poll in divided Brazil

‘Battle-axe’ and ‘playboy’ set for showdown after bruising fight

Mexican flag

Governor resigns over missing Mexicans

International outrage over complicity in students’ disappearance

Education and taxation called to arms in Mexico’s effort to handle obesity

The scale of the problem has reached epidemic proportions

Cosmetic surgery cuts neatly into Brazil’s psyche

Appearance, ethnicity, status and social mobility are behind the phenomenon. Plus: efforts to improve treatment of diabetes

Fears mount of Venezuela default

Deteriorating economy has forced president to slash imports to cover foreign debt payments

US revival defies Washington’s sclerosis

Local leadership, private enterprise and individualism dwarf the capital’s impact

Rousseff and Neves lock horns in debate

Brazilian president fends off challenger’s attacks in television contest

Mexican drug barons continue to flourish

Many veterans are behind bars or dead but new groups spring up

Neves has momentum in Brazil election

Challenger clashes with Rousseff over how to restore growth

Morales heads for third term in Bolivia

Victory could make him the world’s most successful socialist

Drama of state violence grips Mexico

Peña Nieto is accused of failing to clean up official corruption

Financial formulas

A lack of investment has pushed the region’s universities down the international rankings and created a vicious circle of academic decline. But new funding models are cause for optimism