Parasitic Worms Wiggle into Modern Medicine

hookworm in intestine

In 2006, a man named Jasper Lawrence travelled to Africa to infect himself with hookworm by walking barefoot in a steaming mound of human excrement. He and other proponents of so-called helminthic therapy say that industrialized societies have become too clean, and…

When Did Insects Learn to Smell?

Bristletail sensilla (left) lack the grooves that often house olfactory neurons, which contrasts with those in firebrats (middle) and leaf insects (right).  Missbach et al. eLife (2014).

Summer beckons in the northern latitudes. As temperatures warm, beachgoers will flood sandy coasts, carrying bags of potato chips and sandwiches. Picnics will sprout in parks supplied with pink watermelon wedges and soda pop. Feasts ripe for people, and undoubtedly…

Migraine Diagnosis Through Drawing

When a child visits a pediatric neurologist with bad headaches, some doctors will have the child draw a picture the headache. These drawings can be surprisingly telling about the cause of the headaches, especially when the child suffers from migraine. The following video shows pictures that children have drawn of their own migraine headaches.

diagnosis through drawing from Patricia Waldron on Vimeo.

Images are reproduced with permission from Pediatrics, Vol. 109, Page(s) 460-472, Copyright 2002 by the AAP; Journal of Child Neurology, Vol. 23 Page(s) 184-191; Archivos Argentinos de Pediatría, Vol. 106 Page(s) 11-18. Courtesy of Maria S. Mosquera and Garbriel H. Martino; Journal of Child Neurology, Vol. 20, Page(s) 809-813; by Sasha Wolff from Grand Rapids (Can’t Concentrate: 14/365) [CC-BY-2.0 (], via Wikimedia Commons; National Institutes of Health and D. Sharon Pruitt from Hill Air Force Base, Utah, USA [CC-BY-2.0 (], via Wikimedia Commons.