Science Nation - Invasion of the Earth Worms

submitted by: nsf
Invasive species of earth worms have made their way north in the United States and are doing their job too well! They've moved into formerly worm-free forests, which rely on undecayed leaf matter. When worms decompose that leaf layer, the ecology may shift, making it uninhabitable for certain species of trees, ferns and wildflowers. It's of particular concern in the Great Lakes region when anglers simply dump their bait worms back into the soil, creating a difficult environment for old...

Old Age and Cancer – the Focus of This Doctor

submitted by: mdanderson
Old age is the main focus of a geriatrician, a doctor who is board certified in medicine and in geriatrics. Patients faced with old age and cancer have a lot to deal with, especially managing drug intake. Holly Holmes, M.D., Assistant Professor in the Department of General Internal Medicine and a certified geriatrician at the University of Texas MD Anderson Cancer Center, states her main focus is to help the senior cancer patient remain as functional and independent as possible. Being old in...