In the mid-19th century, a microscopic invader swept across Ireland, leaving a trail of devastation in its wake. The potato blight, caused by the fungus-like pathogen Phytophthora infestans, triggered ...

Andean people have chewed coca for thousands ... Bolivian President Evo Morales, an Aymara Indian and former coca grower, has repeatedly defended the use of coca leaves and has lobbied to remove ...

The hub of Andean ceremonies, Kalasasaya lodges chamanes, kallaguayas, achachilas and amautas (sage and mystic Indians), together with thousands of aymaras and quechuas (Andean Indians ...