Shyam Mahadevan

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How big can black holes grow?

Black holes could grow as large as 50 billion suns, before the ‘food’ that makes them grow crumbles into stars, says new research.<p>In recent decades, …

Winter solstice: Why pagans celebrate the shortest day of the year

The December solstice happens at the same instant for everyone, everywhere on Earth – and this year the winter solstice occurs today, on Thursday December 21st at 16:28 GMT.<p>The winter solstice happens every year when the Sun reaches its most southerly declination of -23.5 degrees. In other words, …

What Hyena Giggles Really Say

Spotted hyenas may be the chattiest carnivores on the planet. They whoop, rumble, low, and laugh, announcing their presence wherever they go. But what do all these calls mean?<p>Zoologist Kay Holekamp laid out the spotted hyena repertoire in a 2011 <i>New York Times</i> field journal. So far as we humans are …

Parents warned as Hello Kitty data breach leaks details of 3.3m user accounts

SanrioTown, the online community for Hello Kitty fans, suffers leak of information including names, birth dates and email addresses<p>A data breach at SanrioTown.com, the online community for Hello Kitty fans, has leaked details of more than 3 million user accounts online.<p>The information exposed in …

The World's First Website Went Online 25 Years Ago

The World Wide Web was invented by British scientist Tim Berners-Lee.<p>Twenty-five years ago, the world's very first website debuted.<p>Called Tim Berners-Lee's World Wide Web, the site went online at CERN on December 20, 1990.<p>As Engadget noted, this wasn’t the date the website went public (that …

Tim Berners Lee

Rolls-Royce boss expresses 'disquiet' over diesel engines division

Clients in mining and marine industries have been been hit hard by the fall in commodity prices<p>Rolls-Royce’s chief executive has raised concerns about prospects for the company’s diesel engine business as he grapples with the group’s weak financial performance and unwieldy structure.<p>Warren East, …

Poverty Remains the Arch Enemy in China

BEIJING -- During the last weekend of of November, in a hotel near Chang'an Boulevard in central Beijing, an important closed-door meeting of China's Communist Party (CPC) Central Committee took place. The General Secretary of the CPC and also the President of the country, Xi Jinping, was joined by …

Apple Hit With Class-Action Lawsuit for iPhone 5 Wi-Fi Defect

Believe it or not, this isn't Apple's first Wi-Fi related lawsuit.<p>Apple was hit by a class action lawsuit on Thursday that claims the company knew …