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A.M. Costa Rica's Fourth News page
San José, Costa Rica, Friday, Oct. 31, 2014, Vol. 14, No. 216     
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Virtual leatherbacks give answers to long-sought engineering questions
By the  Florida Atlantic University news staff

Bigger is better, if you’re a leatherback sea turtle.

For the first time, researchers at the University of Wisconsin-Madison, Florida Atlantic University, and the National Oceanic and Atmospheric Administration have measured the forces that act on a swimming animal and the energy the animal must expend to move through the water.

A surprising finding: Longer, slender turtles are less efficient swimmers than more rotund turtles, which get better stroke for their buck.

By taking these measurements, the research team  built models of swimming turtles and, in doing so, have enabled others to “compute the energetics, behavior and distributions of a species anywhere on Earth now or in the future,” says Warren Porter, a professor of zoology at Wisconsin. The findings are published in the journal PLOS One.

As climate change shifts the habitable ranges of both land and sea animals, and as scientists and others try to reconstruct ancient habitats of long-ago species, the ability to assess and predict an animal’s physical interactions with the environment is key. The researchers see their work as instrumental for everyone from land managers to paleoecologists, students and conservationists.

“If you’ve got mechanistic models, then whatever kind of scenarios you want to run for the environment, you can run these models and have a lot of confidence that they’re giving you good numbers,” says Porter, who previously developed a model for land animals.

Several labs have tried to model the movements of animals in water but “swimming animals are very, very difficult to measure experimentally,” Porter says. “It’s very difficult to get drag and thrust.”

No one before had been able to measure the fluid dynamics of a swimming creature, or the energetics required to perform the work of moving through water. This allows scientists to measure critical aspects of biology, such as how much food an animal must eat to survive.

It was serendipity that connected Porter and the lead author of the study, Peter Dudley, a former graduate student in Porter’s lab, to the scientists at Florida Atlantic University who would eventually help solve the problem.

Jeanette Wyneken, a Florida professor of biological sciences, had developed methods to keep newborn leatherback sea turtles in the lab for study. She and her former students created a tether system that allows the turtles to swim freely while also staying safe; the turtles don’t recognize barriers and can easily injure themselves in their enclosures.

Porter, Dudley and Todd Jones — Professor Wyneken’s former graduate student and now a National Oceanic and Atmospheric
turtle animation
Florida Atlantic University/ Jeanette Wyneken
A virtual turtle can be manipulation to be either fat or skinny.

Administration physiologist — tethered the turtles to instruments that allowed them to measure the force they produced while swimming. They also measured the oxygen the turtles consumed (a direct measure of their metabolism) and the heat they exchanged with the environment. All the while, the scientists took video of the tiny turtles.

Then the team recreated a virtual environment with a swimming turtle, to see if they could predict how much energy the turtle was using. Dudley, whose background is in engineering, says Porter uses on-the-ground engineering tools in his lab.

They scaled this up to model the three-dimensional motion of swimming juvenile leatherback sea turtles, to find power and heat transfer rates during the larger animal’s flipper strokes.

It was here, by playing with the parameters of their virtual reality turtles, that the researchers learned husky turtles were better swimmers than their leaner counterparts.

“That was a surprise and I thought it was a mistake when I originally did it,” says Dudley, who eventually learned that the flippers of thinner turtles come closer together at the bottom of their stroke than those of larger turtles, causing them to lose power. 

It is that question — how does body size interact with the physical environment to constrain evolutionary design — that lies at the crux of the study’s findings.

“We can literally design animals now and ask how are they going to function, just like a car or a rocket ship,” says Porter. He is currently engaged in an initiative called Climate Quest, a competition to solve climate-change problems, and is putting this expertise to use.

Vacation, travel and hospitality


PRIMO'S SUEŇO CABINAS
La Fortuna
Comfort of your home in the campo, 5 minutes from Fortuna Centro of San Carlos, in the shadow of Volcano Arenal, Flat screen TV, AC, refrigerator, free coffee. Local area activities like four-wheeling, horse riding, zip lining, hot springs, jungle walking tours. Bring your camera for great photos of nature, fishing and swimming, canyoning and wireless internet. Harry Hart, proprietor.  Call for reservations  (506) 2479-8670   and (506) 8682-9219  Email: lagringo2003@yahoo.com
8492-4/1/15

Howard
rollover
Will Costa Rica Retirement Work For You?
Find out for yourself on Live In Costa Rica Tours

When you visit Costa Rica, you'll want to discover what you need to know to  make the right choice about moving to this tropical paradise.  Our familiarization tours have won hard-earned credentials that prove general excellence and the right focus.  These are the only retirement tours that are licensed and approved by the Costa Rican government and tourism institute  (ICT). In 2006 we were featured on the NBC Today Show and World News.  In 2010, we won the  prestigious Latin America-Asia Travel Excellence Award for the Best and Most Unique Tour in Latin America.

   * Discover how to make the right choices about moving here
   * Find out how to live affordably
   * See how other expats live. Meet other expats who have made
          the move.
   * Access the country's affordable health care system
   * Informative two-day seminar given by local experts in their
          relevant fields.
   * Tours led by Christopher Howard, 34-year resident, citizen,
          and the author of "The New Golden Door to Retirement
          and  Living in Costa Rica – the Official Guide to Relocation”
 
Click HERE  to learn all about our Association of Residents (ARCR)  approved tours at www.liveincostarica.com
8479-9/11/14

Anywhere
Anywhere Costa Rica plans custom vacations, and has the most comprehensive travel services in the country including travel guides, resorts and vacation homesCosta Rica tours
and car rentals.  
Call 1-888.456.3212 or 2479-8811 locally.
8278-3/14/14


Hidden
Garden
Largest art gallery in Guanacaste
Drop in to see some of Costa Rica's finest art
at the largest gallery in Guanacaste.

The Hidden Garden Art Gallery near the Liberia airport is a great place to find quality remembrances of Costa Rica to take home or to decorate your home or office in Costa Rica.  We also offer commissioned pieces so you can create your own unique masterpiece to cherish forever.  With more than 60 artists on exhibit and fine art in 15 rooms full of paintings, prints, sculptures, and diverse artistic expressions, we are easy to locate just 5 kms west of the Daniel Oduber International Airport. Visit our Web site at
or contact us by email:
HiddenGarden@TheVanStoneGroup.com.   
Gallery hours: Tuesdays-Saturdays, 10 a.m. to 4 p.m. Tel. 2667-0592 / 8386-6872; U.S. telephone 702-953-7073. International shipping available.
8199-4/6/14

diligence
Click photo for another video

The Relocation/Retirement tour with the
 *HIGHEST SUCCESS RATE
OF RELOCATION*

 (as reported by the moving companies)
Visit many rental options to actually experience the price/amenity options available in more of the areas chosen by Expats for security, comfort, and quality of life.

Meet many Expats who are willing to share their experiences and how the tour has value long after the “lust” wears off.
See how to choose a Retirement tour video by past guest!
http://www.vimeo.com/5656822

Ask the others what you get for your money, and then compare the quality of accommodations, quality, quantity and variety of food and drink to measure the best value for your money. 

Learn how others “talk the talk” and learn who really can “walk the walk”

Please visit my Web site  to contact my references.
George Lundquist, retirement, relocation columnist, Guide & Developer/Builder. lundquistgeorge@gmail.com

8390-10/2/14

Here's reasonable medical care
Costa Rica's world class medical specialists are at your command. Get the top care for much less than U.S. prices. It is really a great way to spend a vacation. See our list of recommended professionals HERE!amcr-prom



Need a book about Costa Rica?


Check out our special selections available at Amazon logo

HERE!

A.M. Costa Rica
Real estate rentals
Real estate rental agents
Real estate for rent
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wanted
Real estate wanted

Real estate rental services (paid category)

See our listing of real estate brokers on the for-sale page.

Real estate for rent (paid category)
cottage



Beautiful cottage in San Rafael, Heredia

Cottage in the mountain.  Surrounded by nature.  One bedroom, 1.5 bathrooms. Beautiful balcony and view. Bus line service, security.  $500 monthly.  Phone: 506-8739-0638  Email: lizrutbeth@gmail.com
8524-12/1/14

Maneul Antonio
The vacation homes at Manuel Antonio Estates offers luxury, comfort and peace of mind. We have numerous homes to chose from, all within walking distance of the town’s shops and restaurants and just a few minutes to the best beaches and the famous national park. While the homes are secluded and hidden among the rainforest, the surrounding area offers adventures like zip lines, white water rafting, mangrove kayaking and many more. All of the homes are available for short-term rentals, have easily accessible parking, cable TV, and Internet and are fully furnished. We are happy to assist with all your need for the perfect Costa Rican vacation.
Manuel Antonio Estates        TOLL FREE: 1800 346 9724
011 (506) 2777.3339        www.manuelantonioestates.com

Beautiful 2-bedroom 2-bathroom American-style apartments with an elevator to your front door in a secure building located in Gringo Gulch the American Section of downtown San José. Costa Rica. Located between the Hotel Del Rey, the Hotel Mona Lisa and the Sportsman's Lodge and The Zona Blue (AKA) Little Habana across the street from Harry's Poas Bar, and next to the Holiday Inn.
apartment view
 There are 15 restaurants and American- style bars on this block and four supermarkets within a few blocks. There are 5 casinos within 2 blocks and dozens of hotels around this apartment. Included in your rental price, fast Internet, the best they have in Costa Rica, cable TV with 80 stations, water, washer
 and dryer. All you pay extra for is electricity. You have your own meter and receive a bill from the electric company every month.  This apartment has a American-style hot water system, hot water in both bathrooms and the kitchen. There is a 25-foot balcony to sit on and watch the people in San José walk by. The neighborhood Barrio Amón is the safest in San José For photos and more information contact:  rentnowcr@gmail.com.
8504-11/2/15

Beautiful fully furnished two floor house for rent
in La Guacima

Guacima montage
La Guacima, Alajuela. 20 minutes from airport, San José or Alajuela Centro and 30 minutes from Heredia. Near highway 27. $1,000 a month. All services included (Internet, water, electricity, security). Very private, very quiet, green areas, fully furnished. Must like animals (we have three gentle dogs), look at high resolution pics HERE! U.S. citizens or Europeans preferred. No children. Call to inquire and for appointment to visit. Available for rent in December. Contact phone number:  (506)  8839-4315.
8522-1/24/14


Organic farm home
$800 plus utilities.
Two-bedroom, two-bath house, fully furnished, Internet included, cable TV available. Inside organic farm, safe and secure. In the country but close to town. Santa Bárbara de Heredia, Email for more info and pictures. Long term, NO DOGS. laurelfanderson@gmail.com
8484-10/16/14

Tropical Homes of Costa Rica is offering the best selection of vacation homes, condos and long-term rental homes in Playa Flamingo, Playa Potrero and Playa Brasilito on  the Pacific Gold Coast of Guanacaste. A wide selection of private residencies is providing an excellent choice for your stay in this beautiful part of Costa Rica.
tropical
We are offering homes for every budget and every need.
Please visit our Web page at www.tropicalhomesofcostarica.com or contact us at rentals@tropicalhomesofcostarica.com
or call at (506) 2654-5442.
8441-2/17/15

ALAJUELA – SERENE LIVING
MONTHLY $800 TO $1,200

Villas Casa Loma has everything you are looking for.  Best vistas, climate, value.  Four unique homes in a secure private compound on a ridge near Alajuela overlooking the entire Central Valley.  Two are available fully furnished and equipped, each a complete home accommodating 4 persons in two bedrooms with ensuite baths.  Pool, rancho, mirador, other features.  Ask about part-month rates.  Call Gerry at (506) 2441-8796 or e-mail at gerrybuilt2000@yahoo.com.  See virtual tour of accommodations HERE!
Get to know the real Costa Rica – you may want to live here someday.
8423-9/15/14

HP Cattle rentals
Mountain homes or farm for rent
Barva volcano, Heredia province
We offer for rent a gorgeous two-bedroom mountain chalet and a one-bedroom mountain home located on the slopes of the Barva Volcano, Heredia Province. The homes are situated at 7,300 feet altitude and within a working horse ranch just three kilometers from the Braulio Carrillo National Park entrance. From our homes one can hike to the Barva volcano crater-lake.  Enjoy a spacious living room, kitchen, fireplace and breathtaking views of the Irazú volcano and the Central Valley. Observe dozens of cloud forest bird species to include the resplendent quetzal.  The homes are incomparable in beauty and attention to detail within the Barva highland area.  We are only 35-55 minutes from Costa Rica’s three principal cities (Heredia, Alajuela, and San José), less than two hours from the central Pacific beaches, and three hours from the Caribbean beaches. Enjoy the tranquility of the mountains while maintaining quick access to the conveniences of the city and rapid access to other eco-tourist destinations in Costa Rica. Additionally, we can board your horses at a reasonable fee.  We can also offer our clients rental of a small and fully functional farm complete with stables, pasture, and office space.
Mountain chalet: $750.  Basic mountain home: $400.
Boutique mountain home: One-bedroom $850. Two-bedroom $1,000.
Small Farm that includes a chalet, basic mountain home, stables, and 8,000m2 of pasture/green areas: $1,500.
Contact:  HPCattleCR@aol.com
8425-8/17/14







Page 1 is HERE!    Page 2 is  HERE!    Page 3 is HERE! 
Page 5 is HERE!     
Page 6 is HERE!     The sports page is HERE!
Opinion is HERE!   Classifieds are HERE!  Plus useful links
Next
Page



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