National Geographic
Dogs Detect Signs of Epileptic Seizures | National Geographic
This is the first-ever scientific study to prove that odor produced during epileptic seizures can be smelled by dogs. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium...
Periodic Videos
Real Plutonium
Most substances decrease in density as they melt, but plutonium doesn't follow that rule. Viewers learn about plutonium while observing experiments using the element. Interesting anecdotes, terrifying properties, and enchanting visuals...