Ancient Antarctic ice reveals traces of a long-ago stellar explosion: researchers in Dresden have detected the rare radioactive isotope iron-60. The discovery shows that Earth has been collecting material from interstellar space for thousands of years — providing new clues to the history of our cosmic neighborhood.
Dresden researchers are sending tiny, laboratory-grown mini-livers into space. What weightlessness does to liver tissue should not only protect astronauts - but also open up new avenues in medicine.
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