Kangas joined Nightly Business Report in 1979; in 2003, his Stocks in the News segment earned a Financial Writers and Editors Award from the Medill School of Journalism at Northwestern University. In 2005, he won a Suncoast Chapter Silver Circle Award.
What Is a Malpighian Tubule? Malpighian tubules are organs within insects that excrete solid waste. Larvae of certain species of beetles use Malpighian tubules to produce silk.
The primary duty of transverse tubules, or T-tubules, is to allow the conduction of electrical impulses. Transverse tubules exist as invaginations of sarcolemma, which are muscle fiber membranes.... The primary duty of transverse tubules, or T-tubules, is to allow the conduction of electrical impulses. Transverse tubules exist as invaginations of sarcolemma, which are muscle fiber membranes.... Star Gazing