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Evolved to Feel No Pain?

At-a-Glance Researchers studying mole-rats have found several with insensitivity to different pain-causing substances. The Highveld mole-rat is the first mammal known to have pain insensitivity to AITC, the pain-causing chemical in wasabi and other horseradish.… Evolved to Feel No Pain?

Honey Bee Medicine

At-A-Glance Ingested microRNAs from multiple sources can confer immunity to certain diseases in honey bees. These immune-boosting miRNAs are passed to adults and larval bees through worker and royal jellies. Plant miRNAs responsible for leaf… Honey Bee Medicine

The Genesis of the “Brain-Eating” Amoeba

At a Glance Naegleria fowleri (Fig. 12) is a free-living microscopic ameba and causes a rare and devastating infection of the brain called primary amebic meningoencephalitis (PAM). (It is also known as Naegleriasis.) This ameba… The Genesis of the “Brain-Eating” Amoeba