Dubai opened the world's tallest skyscraper in a glitzy ceremony this evening that was meant to put a brave face on crushing debt woes. Enjoy this (less than) 60 second ride to the top of the Burj Khalifa in Dubai and check out the amazing view at the top.
Scientists unveil starfish-inspired wearable tech for heart monitoring
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When we move, it's harder for existing wearable devices to accurately track
our heart activity. But researchers found that a starfish's five-arm shape
help...
1 day ago
