The plains zebra is the only species of wild equid not near or on the verge of extinction. Both the Grevy's zebra and the mountain zebra are listed as endangered, along with one other species in the family Equidae. While plains zebra populations remain plentiful, their numbers diminished greatly in the last century. This is for several reasons. Humans hunt them for sport and their skins.
Glyphosate (Roundup) Linked To Cancer of the Lymph Tissue In New Study. A new review on the relationship between pesticide exposure and the risk of blood cancers in the lymph glands (lymphomas) has confirmed the existence of a link with the world's most popular herbicide glyphosate (aka Roundup).
The disease has two presenting symptoms: flat warts (caused by HPV 3 and 10) and scaly patches (caused by 20+ rare strains) Patients with this disease often develop skin cancer after exposure to ultravioulet light. Here is a picture from the Dermatology Online Atlas in University of Erlangen-Hurnberg, Germany.