Renato De Guzman

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How humans might outlive Earth, the sun...and even the universe

It all starts with a little planet-hopping!<p>Nuclear war. Runaway climate change. A global pandemic. Today our world faces all manner of existential threats. But scary possibilities like these are nothing compared to what astronomers say lies in store for Earth. Our planet’s ultimate destiny is to be …


Electric cars have made this once obscure metal the hottest commodity of 2017

2017 belonged to cobalt.<p>The silvery-blue metal, which is mined as a by-product of copper and nickel, is a crucial element in the lithium-ion batteries that power everything from electric cars to Apple products. This year, it has completely outshone the rest of the commodities market. The price of …

Alternative Fuel

Teardown Shows Apple’s iPhone 6 Cost at Least $200 to Build

More memory, more profits.<p>Apple spends $200 to $247 in parts and labor to build an iPhone 6, a teardown analysis of the device due to be released later today shows.<p>For the larger iPhone 6 Plus, the costs begin at $216 for the starting model and go as high as $263 for the 128 gigabyte model. The …