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Entertainment7 harsh facts behind winged advertisements
Have you noticed that most cosmetic products in your family are labeled 'approved' or 'recommended by doctors'?Choose and use sunscreen properly
UVB radiation with a wave length of 280-320 nanometers causes skin darkening and burning. UVA radiation with a wave length of 320-400 nanometers only darkens the skin.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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