For thousands of years, people have held the belief that everyday objects can possess hidden energy. Talismans are seen as providing protection, good fortune, and some are even thought to embody a higher power. Learn more in this scene from Season 19, Episode 18, "The Power of The Talisman". ...

Astrobiologie (6): Extremophile und planetarer Schutz. Sogenannte extremophile Lebensformen besiedeln extreme Habitate bezüglich Temperatur, pH-Wert, radioaktiver Strahlung, Trockenheit, etc. Welche Mechanismen machen sich diese Lebensformen zunutze? Wie können wir unsere irdischen Forschungen ...

NASA is looking for someone to protect Earth from aliens — and the job pays a six-figure salary. Here’s everything you need to know about the position. » Subscribe to CNBC: http://cnb.cx/SubscribeCNBC About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and ...