(Links open in a new browser window/tab)

	How a Train Stays on a Track (not as simple as you thought) Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) Link
	The Amazing Camouflage of the Pootoo Bird David Attenborough looks at how a potoo hides itself effectively when it senses danger. Link
	Sand Drawing Taken to a Level Way Beyond Next While Western audiences might not fully grasp the '1945' context that she manages to encapsulate in this mind-blowing performance, rest assured the tears in the Ukrainian audience members' eyes and the standing ovation were there for a reason. Link
	Kite Fail A man goes outside to fly a kite. Failure is imminent. Link
	Top Gear: Bugatti Veyron vs. McLaren F1 The two fastest supercars ever created square off in a rip-roaring drag race to over 300 kmh. Which will reign supreme? Link

For more the web’s most interesting videos, check out: VideoSift.