X-rays were discovered in 1895 by Wilhelm Conrad Röntgen. Since then, it has been an indispensable means of medicine. However, X-rays can lead to damage to the genetic material: In this video, we show how the body defends itself against it and what measures are taken by radiation protection. More i
The cosmic ray detector known as CREAM is headed for the International Space Station, with a goal of measuring the highest energy possible for direct measurement of high-energy cosmic rays. Visit http://science.nasa.gov/ for more. New Mission Going to the Space Station to Explore Mysteries of 'Cos
In the late 1960s, scientists accidentally discovered gamma-ray bursts — intense flashes of energy that typically last no more than a few minutes and are often as short as a fraction of a second. For decades after the discovery of these powerful bursts, they remained one of the greatest mysteries in
Inspector Leduque comes from New Orleans to Virginia City to take Ben Cartwright back for a 20 year murder. When Ben declares publicly that he is withdrawing from the Governor's race, the townsfolk are upset not just about this but Little Joe has also been accused of gunning down Leduque's deputy in
Hoss falls prey to the wiles of a beautiful woman with a gambling addiction and refuses to believe she's only interested in his money in spite of Adam's proof to the contrary. Hoss and Little Joe travel to Sacramento to help the widow of an old friend of the Cartwrights. Hoss discovers that the wid
Hoss mentors a lonely, mentally challenged man who, with superhuman size and strength, becomes extremely dangerous when angered. These efforts are undermined by a saloon girl who only wants this giant man-child to manipulate him. In one of the local bars in Virginia City, one of the bar girls tells
Joe and Hoss take their dates to a bizarre traveling carnival and Joe's girlfriend Jennifer disappears. She's abducted by the evil owner, Phillip Reed, and held for one million dollars ransom. Reed's girlfriend Della is jealous of the attractive hostage and spills the beans to Joe. He and Hoss tear
A neutron star comes from a large star that has run out of fuel, and exploded as a supernova. First it becomes a radio pulsar and later becomes a magnetar. Or maybe it ’s the other way around! NASA Science: http://science.nasa.gov/ Click here to see more videos: https://alugha.com/NASA
The Cartwrights try to disprove the validity of a Spanish land grant to stop the De La Cuesta family from seizing part of the Ponderosa and all of the Carson Valley settlers' homestead lands. The episode opens with a settler being evicted from his land by some Spanish vacqueros. When the couple ins
When a brutal U.S. Marshal arrests one of the Ponderosa's workers for murder to transport him to Los Angeles for trial, and a doubtful Hoss and Adam come along in the stagecoach, along with a Dr. and his beautiful daughter, to make sure the Marshal doesn't kill him before they get there. The questio
About to set out on a cattle drive, Ben hires a young drifter named Sam Jackson as one of his drovers. What he doesn't know is that Jackson is really outlaw Johnny Logan, who signed on to the drive because he knew it was going to pass near the town of Waycross, and Logan is determined to kill the Wa
Charlie Trent used to be an Army scout. Now he's the town drunk. Hoss helps him regain his self-esteem when he has him volunteer to lead a gold-bearing troop through the desert where there's very little water. An Army wagon train carrying gold is in Virginia City getting supplies. When their scout,
