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  <TITLE> Martek Biosciences Corporation (Form: 8-K) </TITLE>
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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	May 17, 2006
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  	Martek Biosciences Corporation
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	&nbsp;
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  	Delaware
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  	0-22354
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  	52-1399362
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
  	(I.R.S. Employer
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	&nbsp;&nbsp;
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  	6480 Dobbin Road, Columbia, Maryland
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  	21045
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  _________________________________<BR>
  	(Address of principal executive offices)
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  	&nbsp;
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  ___________<BR>
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  	Registrant&#146;s telephone number, including area code:
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  	410-740-0081
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
  </P>
  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  <B>
  	Item 1.01 Entry into a Material Definitive Agreement.
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   On May 17, 2006, Martek Biosciences Corporation ("Martek") and Mead Johnson & Company ("Mead Johnson") entered into a Supply Agreement (the "Agreement") made effective as of January 1, 2006.  On May 18, 2006, Martek issued a press release announcing the entering into of the Agreement, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference. <br><br>	The Agreement provides that Martek will serve as the exclusive worldwide supplier of docosahexaenoic acid (DHA) and arachidonic acid (ARA) for all Mead Johnson infant formula products.  The Agreement has a ten-year term that runs until January 1, 2016.  In addition to customary termination provisions with respect to breaches, insolvency and infringement of intellectual property rights, either party may terminate the agreement after December 31, 2011, provided that the terminating party has given twelve months prior written notice.  The Agreement amends and incorporates the 1992 license agreement the parties had been operating under, and no additional royalties will accrue under that license agreement as long as the Agreement is in effect. <br>
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  	Item 9.01 Financial Statements and Exhibits.
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  Exhibit No. 99.1		<br><br>Press Release of Martek Biosciences Corporation dated May 18, 2006<br>
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  	SIGNATURES
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  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
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  	Martek Biosciences Corporation
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  	&nbsp;&nbsp;
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  <I>
  	May 23, 2006
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  	&nbsp;
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  <I>
  	By:
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  	&nbsp;
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  <I>
  	/s/ Peter L. Buzy
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  <BR>
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  	&nbsp;
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  <I>
  	Name: Peter L. Buzy
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  	&nbsp;
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  <I>
  	Title: Chief Financial Officer and Treasurer
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  	Exhibit&nbsp;Index
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  <B>
  	Exhibit No.
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  	Description
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  	99.1
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  	&nbsp;
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  Press Release of Martek Biosciences Corporation dated May 18, 2006
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metadata_filer: {"company-data": {"conformed-name": "MARTEK BIOSCIENCES CORP", "cik": "0000892025", "assigned-sic": "2836", "irs-number": "521399362", "state-of-incorporation": "DE", "fiscal-year-end": "1031"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-22354", "film-number": "06860964"}, "business-address": {"street1": "6480 DOBBIN RD", "city": "COLUMBIA", "state": "MD", "zip": "21045", "phone": "4107400081"}, "mail-address": {"street1": "6480 DOBBIN RD", "city": "COLUMBIA", "state": "MD", "zip": "21045"}}
text: Martek Biosciences Corporation (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  May 17, 2006
  Martek Biosciences Corporation
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  0-22354
  52-1399362
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  6480 Dobbin Road, Columbia, Maryland
  21045
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  410-740-0081
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 1.01 Entry into a Material Definitive Agreement.
  On May 17, 2006, Martek Biosciences Corporation ("Martek") and Mead Johnson & Company ("Mead Johnson") entered into a Supply Agreement (the "Agreement") made effective as of January 1, 2006.  On May 18, 2006, Martek issued a press release announcing the entering into of the Agreement, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
  The Agreement provides that Martek will serve as the exclusive worldwide supplier of docosahexaenoic acid (DHA) and arachidonic acid (ARA) for all Mead Johnson infant formula products.  The Agreement has a ten-year term that runs until January 1, 2016.  In addition to customary termination provisions with respect to breaches, insolvency and infringement of intellectual property rights, either party may terminate the agreement after December 31, 2011, provided that the terminating party has given twelve months prior written notice.  The Agreement amends and incorporates the 1992 license agreement the parties had been operating under, and no additional royalties will accrue under that license agreement as long as the Agreement is in effect.
  Item 9.01 Financial Statements and Exhibits.
  Exhibit No. 99.1
  Press Release of Martek Biosciences Corporation dated May 18, 2006
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Martek Biosciences Corporation
  May 23, 2006
  By:
  /s/ Peter L. Buzy
  Name: Peter L. Buzy
  Title: Chief Financial Officer and Treasurer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  99.1
  Press Release of Martek Biosciences Corporation dated May 18, 2006