Chemotherapy can: 1  Make a tumor smaller before surgery or radiation therapy. This is called neo-adjuvant chemotherapy. 2  Destroy cancer cells that may remain after surgery or radiation therapy. This is called adjuvant chemotherapy. 3  Help radiation therapy and biological therapy work better.
Guinness world records has listed Brazilian Wandering Spider as the most poisonous spider in the world. They wander the floor at night rather maintaining a web or residing in a lair. During the day time, they will hide under the fallen logs, termite mounds, under the rocks and even in a banana plant.
They have venom that is the most toxic, as measured by its toxicity to mice. Largest Spider: The world's largest known spider is a male Goliath bird-eating spider Theraphosa blondi collected by members of the Pablo San Martin Expedition at Rio Cavro, Venezuela in April 1965.argest Invertebrate The Atlantic giant squid Architeuthis dux is the largest known invertebrate. The largest ever discovered was a 2.2 ton specimen that washed ashore in Thimble Tickle Bay, Newfoundland, Canada on November 2, 1878.