Extreme drought in parts of the Amazon has revealed carvings of human forms on dozens of usually submerged rock formations. The engravings, visible near the northwestern Brazilian city of Manaus may date back some 2,000 years. Severe droughts in the Amazon have drastically reduced river levels,...
The carcasses of 120 river dolphins have been found floating in a tributary of the Amazon River in Brazil over the last week. Experts suspect that the deaths were caused by severe drought and heat. A..