January 2012: Page 1, 2, 3

Submitters Perspective

Page 3

MASJID TUCSON United Submitters International

PO Box 43476 Tucson AZ 85733-3476 USA

Tel/Fax: (520) 323 7636

Masjid Tucson site: http://www.masjidtucson.org

Masjid Tucson e-mail: info@masjidtucson.org

Happiness is
Submission to God Alone

ISSN 1089-053X


Follow Your Beak

16: 78. GOD brought you out of your mothers' bellies knowing nothing, and He gave you the hearing, the eyesight, and the brains, that you may be appreciative.

16:79. Do they not see the birds committed to fly in the atmosphere of the sky? None holds them up in the air except GOD. This should be (sufficient) proof for people who believe.

Homing pigeons and other birds can sense the Earth's magnetic field, an ability that helps them find their way home, even when home is hundreds of miles away. But how this magnetic sense works remains one of the most puzzling questions in sensory biology.

To learn the birds' secret, Gerta Fleissner, a neurobiologist at the University of Frankfurt in Germany, teamed up with physicists and other biologists. Their investigation focused on the skin of the upper beak—where the mysterious magnetic sense is thought to reside.

With powerful microscopes they identified three clusters of nerve endings on each side of the homing pigeon's beak, each cluster oriented along one of the bird's three perpendicular axes (beak-tail, wing-wing, and back-belly). Inside the nerve cells they discovered something even more intriguing: two kinds of magnetic iron oxide—square platelets

of maghemite and bullet-shaped particles of magnetite.

The investigators propose that an extremely delicate arrangement of those intracellular minerals constitutes the long-sought receptor for birds' magnetic sense.

Here's how they think it works:

Each pair of clusters (one on each side of the beak) is tuned to detect one of the three perpendicular spatial components of the Earth's magnetic field (north-south, east-west, and up-down). Depending on how closely a pair of clusters aligns with its magnetic-field component, the maghemite platelets in the clusters line up and magnetically attract the magnetite bullets.

The rearrangement of maghemite and magnetite in all three pairs of clusters triggers nerve impulses to the bird's brain, enabling the bird to sense the angle and intensity of the local magnetic field—and fly home. Fleissner located similar iron-bearing nerves in several other bird species, and she suspects all birds possess them.

From Naturwissenschaften (Natural sciences)

Submitted by Farzin

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Comments from down under

Salaam to brothers and sisters in Islam,

Praise be to God. Thank you for this weekly reminder: Predestination. It gives me a sense of relief and healing message telling me from a voice within commanding me to "Listen and STOP IT"....God is doing everything for you for your own good.

Every time I get upset and grieving over the past I felt I have to snap out of it and get over it. Submit to God, Lord of the Universe. He is Omnipresent, Omnipotent, Omniscient, Most Gracious and Most Merciful...Glory be to God... Many thanks,

Regards and Salaam

Des and Zahrah / Australia