Stool color changes facts. Normal stool color is brown. This is due to the presence of bile in the stool. Normal stool color can range from light yellow to brown to almost black. If stool is red, maroon, black, clay-colored, pale, yellow, or green this may signify a problem.
08 February 2016. The longest continuous vocal note is 1 min 52 sec and was achieved by Alpaslan DurmuÅ (Turkey) at the KipdaÅ MÃ¼hendislik, Istanbul, Turkey, on 8 February 2016. The note was sustained above the required decibel threshold from a measurement distance of 2.5 metres.
What is a vocal hemorrhage? A vocal hemorrhage occurs when a small blood vessel located within the vocal fold bursts. This results in blood leaking into the vocal fold and occurs with forceful, aggressive, or incorrect voice use.