Down by the riverside

Rosario embodies much of the best and some of the worst of Argentina. Most big cities in Spanish-speaking America were founded by a conquistador. But Rosario just sprang up, in the mid-19th century.

Brazil toxic mud 'devastated forests'

Toxic mud from the dam that collapsed in Brazil earlier this month destroyed a vast area of natural vegetation, the environment minister says. The toxic mud has now reached the Atlantic Ocean, about 500km (310 miles) away from the area where the dam collapsed

Handing Civilians the Keys to a Guatemalan Forest

Ranchers, loggers and smugglers all threaten tropical forests, but in areas given to local communities, the deforestation rate is close to zero, a study finds. An experiment in the Maya Biosphere Reserve is testing whether the most effective way to protect forests is to give control of them to those who already live there.

LatAm states fail to find solution for Cuban migrants

Latin American ministers failed in two rounds of meetings to find a solution for thousands of US-bound Cuban migrants stranded in Costa Rica. The impasse means that nearly 3,000 Cubans aiming to travel through Central America to get to the United States remain stuck in Costa Rica.

A Greenhouse for the Moon, or Mars

With a NASA grant, researchers at the University of Arizona’s Controlled Environment Agriculture facility in Tucson have developed a piece of technology called the “lunar greenhouse.” It replicates, on a small-scale, the biological collaboration that takes place on Earth.

Men: Watch Out for Male Menopause

Women are not the only ones who end up developing menopause later in life. That's right -- men get menopause too. When men get menopause, it is actually called andropause. The symptoms of andropause are quite similar to the symptoms that women experience before or during menopause.