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Seals protect brain, conserve oxygen by turning off shivering response on icy dives

Seals shiver when exposed to cold air but not when diving in chilly water, a finding that researchers believe allows the diving seal to conserve oxygen and minimize brain damage that could result from long dives. The researchers presented the study at The American Physiological Society's conference "Comparative Physiology 2006: Integrating Diversity," in Virginia Beach, Va., October 8-11....

Female Antarctic seals give cold shoulder to local males

Female Antarctic fur seals will travel across a colony to actively seek males which are genetically diverse and unrelated, rather than mate with local dominant males. These findings, published in this week's Nature, suggest that female choice may be more widespread in nature than previously believed and that such strategies enable species to maintain genetic diversity. Scientists from the...
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Penguins Altered Diet When Humans Began Hunting Whales and Seals

Adlie penguins living in Antarctica switched from eating fish to krill (shrimp-like marine invertebrate animals) around the time that humans began hunting seals and whales, ancient eggshell fragments reveal. According to Steven Emslie of the University of North Carolina in Wilmington, and William Patterson of the University of Saskatchewan in Saskatoon, it suggests that when human...
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(Date:10/3/2008)... Discrimination; Recognizes,Importance of Mental H.../PRNewswire-USNewswire/ -- Mental Health,America t...approval of a,mental health parity legislation tha...ion against Americans with mental health and subst...lans., The legislation, which recognizes the impo...
(Date:10/3/2008)...search Foundation(R) Collection of, Bouquets to T...Research, LOS ANGELES, Oct. 3 /PRNewswire/ -- Tel...g only hand-arranged, hand-delivered floral,arrang...nth-long,collaboration with The City of Hope, John... Cancer Center in southern California and national...
(Date:10/3/2008)...- As the population ages, a big,question employers...e the,financial crunch of an illness?", In most c...eck to,paycheck and now need two incomes to provid... spouses becomes critically ill and unable to work...ut the healthy,employee/spouse is strained by the ...
Breaking Medicine News(10 mins):Health News:Connolly Consulting Makes the 2008 Inc. Magazine's List of America's 5000 Fastest Growing Companies 2Health News:Mental Health America Hails Approval of Federal Parity Legislation 2Health News:Mental Health America Hails Approval of Federal Parity Legislation 3Health News:Teleflora and Nationally Recognized Hospitals to Honor Women Battling Breast Cancer 2Health News:Teleflora and Nationally Recognized Hospitals to Honor Women Battling Breast Cancer 3Health News:Can Your Employees Survive the Financial Crunch of an Illness? 2
(Date:10/5/2008)...Cell Biology how the altered behavior of integrin... On 2D surfaces, cells may migrate randomly, or be...e cell to the extracellular matrix, are known to i...s been unclear. Recent work has suggested that an ... an integrin called avb3 has been associated with ...
(Date:10/5/2008)..., New material could speed development of hydroge...rs in Greece report design of a new material that ...010 goals for hydrogen storage and could help elim...d vehicles. Their study on a way of safely storing...Oct. 8 issue of ACS, Nano Letters , a monthly jou...
(Date:10/5/2008)...climate has taught us anything, it,s that a system...ds in disaster. It turns out this rule applies as ...d of cash, our body deals in energy borrowed from ...ling financial markets, the lending process in the...re isn,t lent than can be afforded. New research b...
(Date:10/5/2008)... of an aquatic creature suggests that animals walk...an had been thought. , The tracks -- two paralle...diameter -- date back some 570 million years, to t...e Cambrian period, the time when most major groups...ught that it was primarily microbes and simple mul...
Breaking Biology News(10 mins):American Chemical Society's Weekly PressPac 2American Chemical Society's Weekly PressPac 3American Chemical Society's Weekly PressPac 4American Chemical Society's Weekly PressPac 5American Chemical Society's Weekly PressPac 6American Chemical Society's Weekly PressPac 7American Chemical Society's Weekly PressPac 8Food for thought -- regulating energy supply to the brain during fasting 2Food for thought -- regulating energy supply to the brain during fasting 3Earliest animal footprints ever found -- discovered in Nevada 2Earliest animal footprints ever found -- discovered in Nevada 3Childrens Miracle Network Hospital Doctors On Call to Answer Questions About MRSA Infection 4321 1Childrens Miracle Network Hospital Doctors On Call to Answer Questions About MRSA Infection 4321 2Committee to Reduce Infection Deaths Releases 10 Lifesaving Steps to Protect Students from MRSA Infections 4317 1Committee to Reduce Infection Deaths Releases 10 Lifesaving Steps to Protect Students from MRSA Infections 4317 2ASCO and ASH Release Updated Guideline on the Use of Chemotherapy Related Anemia Treatments in Cancer Patients 600 1ASCO and ASH Release Updated Guideline on the Use of Chemotherapy Related Anemia Treatments in Cancer Patients 600 2ASCO and ASH Release Updated Guideline on the Use of Chemotherapy Related Anemia Treatments in Cancer Patients 600 3Broccoli sprout derived extract protects against ultraviolet radiation 4313 1Broccoli sprout derived extract protects against ultraviolet radiation 4313 2
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