16 Amazing Mysteries That Science Cannot Explain

Life is a mystery, and sometimes things just can't be explained. And as much as we want them to be, even scientists have a hard time explaining some of the complex aspects of just being here.

Daily Forest is bringing us some amazing facts about things that just can't be rationalized, no matter how hard we try. The Top 16 are below, and I'm still scratching my head!

• Cows will always face north or south while eating.....always
• Why do we need to sleep? Every creature on the planet needs some form of sleep or rest
• Why did some mammals turn back to the ocean? They came out, and on to land, but why did they return to the water?
• Why do all magnets have a north and south pole? And why do we have them at all?
• How and why do cats purr? This one has scientists puzzled for years
• The Placebo Effect - if your brain believes something, then it is. But why?
• Why do we yawn? Completely explainable, yet all humans do it
• The Voynich Manuscript- a 246 page manuscript, possibly dating back to the 1400's, that has never been deciphered by man
• The Stone Balls of Costa Rica - perfectly crafted giant stone balls littered throughout the Costa Rican country side. No one knows how old they are, who made them, or when they actually appeared
• Powerful Cosmic Rays - the source of which has never been identified, but seen from at the Akeno Observatory of Japan
• Pilot Fred Valentich's disappearance from a flight he helmed in 1978 in Australia. His plane has never been found, and neither has he
• Cocaine Mummies - scientists uncovered a huge amount of cocaine in mummies that were excavated in 1992, but no one knows where the drug came from, or how it got on their hands, hair and clothes
• The Bloop - powerful, long and loud sounds emitting from deep under the ocean, but scientists at NOAA in 2007 could never find what creature it came from
• What exactly is on Mars - we don't know....yet
• Why is 95% of the world right handed?
• What does falling into the proverbial Black Hole feel like? No one has lived to tell!