China's popular micoblogging site Weibo said it was tightening controls over its Twitter-like service, state press said Monday, amid concerns over growing government interference on the web.

Chief executive officer of Sina -- Weibo's parent company -- Charles Chao said Sunday the measures were to curb the spread of malicious rumors on the service, China News Service reported.

Online gamers have achieved a feat beyond the realm of Second Life or Dungeons and Dragons: they have deciphered the structure of an enzyme of an AIDS-like virus that had thwarted scientists for a decade.

The exploit is published on Sunday in the journal Nature Structural & Molecular Biology, where -- exceptionally in scientific publishing -- both gamers and researchers are honored as co-authors.

Joel Simkhai, the creator of Grindr, a wildly popular mobile dating application for gay men, has spent a lot of time recently thinking about women.

And two years after launching Grindr, which has been downloaded millions of times, the Israeli-born US citizen has come out with Blendr, a version of the app designed to appeal to both sexes and to heterosexuals.

The Frankfurt Motor Show, the biggest event in the auto industry calendar, opened its doors to the general public on Saturday to showcase the next generation of electric cars.

Around 800,000 people are expected to visit the event in the German financial capital before its wraps up next Sunday.

It slowly began to dawn on Esther and Bruce Huffman that perhaps they were being filmed.

"Warning," the gray-haired, bespectacled grandmother reads off the screen. "You must stop recording before trying to close cyber link."

In a Montreal parking lot, Jean-Francois Beauchamp unhooks a power cable from his loaner car and cheerfully drives away, an enthusiastic user of a new service that is finding fans in equal measure among commuters and environmentalists.

"It's very quiet, pleasant and and doesn't use gasoline," says Beauchamp, 44, a web designer and frequent user of the electric cars made available for hourly rental by the Communauto car-sharing enterprise.

Google expects India's Internet users to triple by 2014 as telecom carriers invest in high-speed wireless infrastructure and smartphones become cheaper, a report said Friday.

Google's country head in India, Rajan Anandan, told the Wall Street Journal that the company forecasts India will reach at least 300 million Internet users by 2014, up from about 100 million now.

A trio of small Japanese robots will be working together in the Ironman triathlon race in Hawaii next month in a show of their inner strength -- rechargeable batteries.

Consumer electronics maker Panasonic will use one set of three rechargeable batteries for the whole 2.4-mile (3.8-kilometre) swim, 112-mile bike ride and 26.2-mile run to power the humanoid "Evolta" robots made by creator Tomotaka Takahashi.

YouTube on Wednesday added an editing tool that lets creators of videos make changes to snippets after they have been uploaded to the popular website.

An "Edit Video" button allows changes such as adding effects, swapping soundtracks, or trimming clips right at YouTube, according to YouTube software engineer John Gregg.

AOL, Microsoft and Yahoo! are proposing to offer space on each other's sites to advertisers in a bid to take on Google, The Wall Street Journal reported on Wednesday.

The newspaper said the system would launch later this year or early next year and would allow advertisers to buy display ads on AOL, Microsoft or Yahoo! sites that the Internet companies do not sell directly to marketers.