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.
Meet the most venomous spider in the world, according to the Guinness Book of World Records. What makes this critter so dangerous though is also how it got its name â a tendency to wander. They are often found hiding in houses and cars of densely populated areas, especially during daytime. Not a good combination.