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Sydney, Feb 23 - A meeting of G20 finance ministers and central bank governors ended here Sunday with tangible outcomes, Xinhua reported.

Australian Treasurer Joe Hockey announced the end of the meeting and delivered a two-page communique.

According to the communique, the participants are committed to implementing policies to grow their collective GDP by more than 2 percent above the current trajectory over the next five years.

Each country will deliver a comprehensive growth strategy as part of the Brisbane Leaders Summit in November as the first step.

Washington, Feb. 23 - Google is reportedly said to be working on a specialty Wi-Fi authentication app for Android and iOS devices.

Sources have said that in its attempt to blanket cities and parks with free Wi-Fi, the search giant is also aiming to launch tech at how people log in to private networks at retail and business locations too.

According to The Verge, the specialty Wi-Fi authentication app for Android, iOS would automatically greenlight that device to work on the connection.

Washington, Feb.

Washington, Feb 23 - A new study has revealed that tooth decay is not only the most common chronic childhood disease, but is infectious too.

According to the study by researchers at University of Louisville School of Dentistry, mothers with cavities can transmit caries-producing oral bacteria to their babies when they clean pacifiers by sticking them in their own mouths or by sharing spoons.

According to Liliana Rozo, tooth decay can have a detrimental effect on a child's quality of life, performance in school and success in life.

Washington, Feb 23 - Researchers have found that women with advanced cervical cancer live about four months longer with the combined use of bevacizumab and chemotherapy compared to chemotherapy alone.

Women who combined bevacizumab with chemotherapy lived an average of 17 months after diagnosis, while those who received chemotherapy alone lived 13.3 months.

Rio de Janeiro, Feb 23 - Top-seeded Rafael Nadal suffered a fright before progressing to the final of the Rio Open with a 2-6, 6-3, 7-6 (10) win over fellow- Spaniard Pablo Andujar.

The 13-time Grand Slam winner came close to losing his first match on clay for 10 months, saving two match points in a tense final-set tiebreak Saturday, reports Xinhua.

Nadal will meet Ukraine's Alexandr Dolgopolov in the final of the ATP World Tour 500 event.