Archaeologists find Inca city below Santiago, Chile, dengue epidemic spreads into Brazil, and leaf rust attacks Central American coffee crop.

BRAZIL The southern Brazilian city of Campo Grande has declared a state of emergency due to an outbreak of dengue fever, an infection caused by a virus carried by mosquitoes. More than 8,000 cases have been reported in the city of 1 million, with 700 cases per day, according to the city’s mayor. This outbreak … Continue reading Archaeologists find Inca city below Santiago, Chile, dengue epidemic spreads into Brazil, and leaf rust attacks Central American coffee crop.

Thursday November 15

Poisoning rats in the Galapagos Islands, looking for natural antibiotics in Patagonian frogs and dengue fever in Peru. ARGENTINA Scientists in Patagonia are looking at the compounds frogs and toads secrete for antifungal, antibacterial and antiviral properties. With the mounting antibiotic arms race against drug-resistant ‘super’ bacteria, scientists are looking for natural sources of antimicrobials … Continue reading Thursday November 15