'Knock you Down' by Keri Hilson - 35+ million views
The R&B star's catchy lyrics and beat, with a little helping hand from artists Kanye West & Ne-Yo, as well as some skimpy shorts, made this hit the fifth most watched music video of 2009.
But there were others more popular...
A "remarkable" new tadpole that burrows through sand was discovered by scientists in the Western Ghats of India.
Flesh-eating “monster plant” can become extinct as seeds can’t be stored in doomsday vault, scientists have warned.
Residents in Newton have voted to change the name of the village for constantly getting mail for the wrong people.
Scientists and alien spotters reveal bizarre theory in an attempt to explain the origin of the mysterious "Pacific Hum."
Astronauts heard “weird music” coming from the dark side of the moon shortly before Apollo mission landing.
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