A team of archaeologists from the United States and Mexico has detected chili pepper residues in over 2,000-year-old pottery samples unearthed at the site of Chiapa de Corzo in southern Mexico. This image shows five vessels that tested positive for chili pepper. Each vessel had a culinary use. The second vessel from the right represents the earliest evidence of chili pepper consumption in Mexico, around 400 BC. Scale bar – 5 cm. Image credit: Roberto...
