Have you ever heard of irregular sea urchins? Roughly heart shaped creatures that bury themselves in the sand only to come out at night in large numbers and scurry across the ocean floor in search for food.
No?
Me neither. Well, not until this morning when I scrolled down the science section of the New York Times. Dr. Rich Mooi is presently in the Philippines studying echinoids (starfish, sand dollars, urchins, etc.).
Click on the picture to read more & live vicariously through his discoveries.
Take care!
Showing posts with label New York Times. Show all posts
Showing posts with label New York Times. Show all posts
Friday, June 10, 2011
Thursday, May 5, 2011
Armadillos: Leprosy carriers?
Leprosy, a debilitating infectious disease known to us since biblical times still affects 150-250 people every year in the Unites States. How is this possible? Why isn't it eradicated? Are we at risk?
If we believe a recent article published in the NY Times, unless you regularly handle or encounter armadillos you should be safe.
Image via WikipediaArmadillos are new world mammals characterized by a leathery armored shell. They are great diggers and roll themselves into armored balls when threatened.
Armadillos can be found in the south-east of the U.S.A all the way down through Central America extending to northern Argentina.
That's not all, they are also the carriers of Mycobacteriumleprae, the microorganism responsible for leprosy. Their low body temperature (31-35 degrees Celsius) is ideal for the bacteria's development. It's preference for cooler temperatures also explains why leprosy attacks the skin first, the coolest of our organs.
There isn't a cure yet but there are treatments to control the symptoms. Scientists are studying infected armadillos in hopes to find a cure for this illness. While they do that, let's dispel some common myths about leprosy.
Leprosy is highly contagious.
False. There are two types of leprosy, and only one is contagious and only mildly at that. Transmission is thought to be through nasal droplets like the a cold or the flu. It is not sexually transmitted and requires a high level of exposure. The rumor of it being highly contagious has been linked to Leprosy camps back in the day that also took in patients with syphilis. Syphilis is a highly contagious sexually transmitted diseases which can cause skin lesions resembling leprosy in its final stage.
You're limbs fall off one after the other.
False. Leprosy causes skin lesions, loss of feeling in your limbs (which increases the risk of injury) and muscle weakness.
Interested to learn more about the relationship between armadillos and leprosy in the U.S, follow the links below.
Take care!
____________________________
Sources:
"Back Then:1982." NY Times 01 May 2011, : p. 2.
"Leprosy." PubMed Health. 28 Aug. 2009. NCBI. 05 May 2011
Abba, A.M. & Superina, M. 2009. Dasypus novemcinctus. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 05 May 2011
If we believe a recent article published in the NY Times, unless you regularly handle or encounter armadillos you should be safe.
Armadillos can be found in the south-east of the U.S.A all the way down through Central America extending to northern Argentina.
That's not all, they are also the carriers of Mycobacteriumleprae, the microorganism responsible for leprosy. Their low body temperature (31-35 degrees Celsius) is ideal for the bacteria's development. It's preference for cooler temperatures also explains why leprosy attacks the skin first, the coolest of our organs.
There isn't a cure yet but there are treatments to control the symptoms. Scientists are studying infected armadillos in hopes to find a cure for this illness. While they do that, let's dispel some common myths about leprosy.
Leprosy is highly contagious.
False. There are two types of leprosy, and only one is contagious and only mildly at that. Transmission is thought to be through nasal droplets like the a cold or the flu. It is not sexually transmitted and requires a high level of exposure. The rumor of it being highly contagious has been linked to Leprosy camps back in the day that also took in patients with syphilis. Syphilis is a highly contagious sexually transmitted diseases which can cause skin lesions resembling leprosy in its final stage.
You're limbs fall off one after the other.
False. Leprosy causes skin lesions, loss of feeling in your limbs (which increases the risk of injury) and muscle weakness.
Interested to learn more about the relationship between armadillos and leprosy in the U.S, follow the links below.
Related articles
- Leprosy Linked to Armadillos in U.S. - Texas You've Been Warned! (manolith.com)
- Study: armadillos could be spreading leprosy to humans in the U.S. ()
- Armadillos can transmit leprosy to humans (macleans.ca)
Take care!
____________________________
Sources:
"Back Then:1982." NY Times 01 May 2011, : p. 2.
"Leprosy." PubMed Health. 28 Aug. 2009. NCBI. 05 May 2011
Abba, A.M. & Superina, M. 2009. Dasypus novemcinctus. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 05 May 2011
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