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.
One Redback spider, found in Australia, is a member of the same genus as our Black Widow spider â¦ s. They are definitely dangerous as are all the widow spiders. They have a glossy black abdomen with a variable width bright red band along the top.Worldwide, widow spiders kill more humans per year than any other species. Black Widow is a dangerous spider so is a Red Back or a Funnel Web The Brazilian wandering spider has a highly toxic venom along with the Australian funnel-web spiders, both these kinds are considered the most dangerous spiders in the world. + 4 others found this useful. Donna Mcnatt.