Chemotherapy for breast cancer. Chemotherapy for breast cancer. Breast cancer chemotherapy is typically used to treat patients with locally advanced or metastatic breast cancer. Your medical oncologist may recommend chemotherapy before you undergo breast cancer surgery (neo-adjuvant) or after surgery (adjuvant):
Most venomous scorpion. The most venomous scorpion is the Tunisian fat-tailed scorpion (Androctonus australis). It is responsible for 80% of stings and 90% of deaths from scorpion stings in north Africa. Body length: 100 mm, weight: 15 g, lifespan: 4 years, discovered: 1758. All records listed on our website are current and up-to-date.
Latrodectus hesperus. The female black widow spider is considered the most venomous spider in North America. The venom of the black widow spider is 15 times as toxic as the venom of the prairie rattlesnake. Only the female black widow is dangerous to humans; males and juveniles are harmless.