SAN FRANCISCO, April 20 /PRNewswire/ --

- Second Gathering of Top Chinese and International Developers Will Return to Shanghai in October with Strong Government Endorsement

The call for submissions to present lectures, tutorials, and panels at the 2009 Game Developers Conference(R) China (GDC China) is open now through May 22, 2009. The 2nd conference dedicated to the art, science and business of games - presented by Think Services, a Division of United Business Media - returns to the Shanghai Convention Center October 11-13. Session proposals can be submitted via the official GDC China website at www.China.GDConf.com.

Continued from A Scientific Approach to Science Education - Beliefs, Guided Thinking And Technology.

If you suffer from occasional or frequent heartburn, you know who you are. You may avoid eating certain foods, keep an arsenal of antacids beside your bed, and still suffer from pain caused by renegade stomach acid wrecking havoc on your esophagus.

For the 1 in 10 Americans who suffer from “heartburn” or occasional acid reflux, options and medications are plentiful, but for the 19 million Americans who suffer from severe acid reflux symptoms or GERD (gastroesophageal reflux disease), medicine simply isn’t enough.

OTTAWA, Canada, April 20 /PRNewswire/ -- Bridgewater Systems (TSX: BWC), the mobile personalization company, today announced that the company has been recognized as the global policy server market share leader in 2008 by Infonetics Research in its April 2009 report Policy Servers Market Share, Size, and Forecasts.

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The Infonetics report noted that Bridgewater's position as the No. 1 global policy server market share leader is due to the company's success in the 3G and 4G market. The report further states that the policy server market will continue to grow annually in the high double-digit percents over the next five years, reaching US$1.3 billion in 2013.

DUBLIN, Ireland, April 20 /PRNewswire/ -- Shire plc (LSE: SHP, NASDAQ: SHPGY), the global specialty biopharmaceutical company, will announce first quarter 2009 earnings on Thursday April 30, 2009.

Results press release will be issued at: 12:00 BST / 07:00 EDT Investor conference call time: 14:30 BST / 09:30 EDT

Live conference call for investors:

Angus Russell, Chief Executive Officer and Graham Hetherington, Chief Financial Officer will host the investor and analyst conference call at 14:30 BST/9:30 EDT.

The details of the conference call are as follows:

PARIS, April 20 /PRNewswire/ --

Energy efficiency remains on the forefront of government official and policy maker, building owner and business leader dialogue, because it's good for business and responsible to the environment.

That is why as the Alliance to Save Energy began planning its 2009 Energy Efficiency Global Forum in Paris, it raised a critical question - what else can be done to unleash the power of energy efficiency in buildings?

PARIS, April 20 /PRNewswire/ --

- Campaign Part of Global Sustainability Program Aimed at Encouraging Innovative Efforts to Deploy More Energy-Efficient Networks

MILAN, Italy, April 20 /PRNewswire/ -- The European Health Technology Institute for Socio-Economic Research (EHTI) today presents at a high level workshop at Bocconi University in Milan, Italy. The workshop brings together leading European and Italian experts to exchange views on the role and implementation of health technology assessment (HTA) in Italy and across Europe and takes place just a few days before the European Parliament's plenary session vote on 23 April on the Directive on the Application of Patients' Rights in Cross-Border Healthcare. In Article 17 of the Directive, the European Commission aims to establish a framework for European cooperation in HTA.

When want to understand something complex, we make something similar but simpler - a model.  Models in engineering re-imagine complex structures as sticks, strings, and hinges.  Biology uses simpler living systems, like yeast and mice.  But plenty of scientific questions defy our tried-and-true modeling strategies.  If a system is too complex or too slow for us to accurately simplify, we must wait for a model to present itself.