article_snippet: Scientists at Yale University scraped bone marrow from bone sample to search for telltale crystals of a molecule called hemozoin that show the person who the bone belonged to had been infected with the malaria parasite .
article_snippet: Miss Inwood and her colleagues found that a large molecule called hemozoin, which is expelled as a waste product by the malaria Plasmodium parasite.
article_snippet: Using X-ray defraction, Miss Inwood and her team found Miss Inwood and her team were able to identify black crystalline lumps of the molecule in the bone marrow of bone samples.
article_snippet: With the help of Dr David Soren, an archaeologist at the University of ArizonaArizona, Miss Inwood was able to identify hemozoin in femur and humerus bone samples from the site - confirming hemozoin in femur and humerus bone samples had been infected with Malaria.
article_snippet: This electron micrograph shows a malarial sporozoite migrating through the cytoplasm of a mosquito cell .
article_snippet: This electron micrograph were able to confirm that the test was accurate using a technique that searches for DNA of the pathogen.
article_snippet: However, DNA extraction is not always possible and sometimes unreliable.
highlights_snippet: Scientists at Yale University look for a waste product produced by the parasite in bone marrow .
  
highlights_snippet: Crystals of this protein form inside ancient bones of infected individuals .
  