The ant oncologist will see you now. Ants have such a refined sense of smell, in fact, that researchers are now training them to detect the scent of human cancer cells.
, in fact, that researchers are now training them to detect the scent of human cancer cells.
For his study, Piqueret’s team grafted pieces of a human breast-cancer tumor onto mice and trained 35 ants to associate urine from the tumor-bearing rodents with sugar. Placed in a petri dish, the silky ants spent significantly more time near tubes with urine from the “sick” mice compared with urine from healthy ones.
Dogs can sniff out the presence of cancer in body odor, past research has shown. Mice can be trained to discriminate between healthy and tumor-bearing compatriots. Nematodes are attracted to certain organic compounds associated with cancer. Even the neurons of fruit flies fire in the presence of certain cancerous cells.
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