SciShow
How Do Oysters Make Pearls?
Quick Questions gives you the low-down on how oysters turn a tiny bit of gunk into a lovely, valuable pearl. ----------
TED Talks
Andras Forgacs: Leather and meat without killing animals
By 2050, it will take 100 billion land animals to provide the world's population with meat, dairy, eggs and leather goods. Maintaining this herd will take a huge, potentially unsustainable toll on the planet. What if there were a...
SciShow
How Do Oysters Make Pearls?
Quick Questions gives you the low-down on how oysters turn a tiny bit of gunk into a lovely, valuable pearl.
SciShow
LabGrown Meat
Hank brings us the strange story of in vitro meat - muscle tissue grown in laboratories with the hope that someday we will eat it.
Getty Images
Glamour evening dining B
Beautiful young woman being very attentive at an elegant, candle lit dinner table. Dolly shot.
Getty Images
Glamour evening flirt
Extreme close up portrait of a beautiful young woman across a dining table, tracking shot that makes glowing candles move gently across our subject's face.
Getty Images
Glamour evening dinner GL RO
LR dolly shot with shallow focus of a beautiful young woman dressed very elegantly at evening dining table sipping champagne.
Getty Images
Guitar girl MU
Two angles of a beautiful young woman sitting on a sofa playing an acoustic guitar.
Curated Video
Pearls analysis to help determine whether they are natural or cultured
Pearls are alluring gems that symbolise purity, status and have always been very highly prized.
But when the Japanese started producing cultured pearls early last century differentiating between the "man-made" and natural pearls became...