Mighty Mice Regrow Organs
Mice discovered accidentally at the Wistar Institute in Pennsylvania have the seemingly miraculous ability to regenerate like a salamander, and even regrow vital organs.
Researchers systematically amputated digits and damaged various organs of the mice, including the heart, liver and brain, most of which grew back.
The results stunned scientists because if such regeneration is possible in this mammal, it might also be possible in humans.
The researchers also made a remarkable second discovery: When cells from the regenerative mice were injected into normal mice, the normal mice adopted the ability to regenerate. And when the special mice bred with normal mice, their offspring inherited souped-up regeneration capabilities.
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Skype hit by outage, says investigating
Internet phone and video service Skype went down in a global service outage on Wednesday, underscoring a weakness of the free online communication tool. Skype, partly owned by Web retailer eBay Inc, said some users were having problems signing on. Users in Asia and Europe complained of the outage on social network site Twitter. In its Twitter feed, the seven-year-old company apologized for the disruption and said it was investigating the cause.
Selected Nikola Tesla papers
A collection of scientific papers and articles by Nikola Tesla and others
about Tesla’s work primarily in the field of electrical engineering.