Daily Archives: October 19, 2012

Absolute Zero

It’s easy to make heat. Humans have been able to capture or create fire since prehistoric times. Producing cold is a much more difficult task. The universe as a whole has done a very good job of it, as the … Continue reading

Posted in History, Science | 4 Comments

New study finds brain tumors can arise from neurons

Researchers from the US and Japan have shown that an aggressive type of brain tumor can arise from normal cells in the central nervous system such as neurons. The cells revert to an earlier, undifferentiated stem cell stage, which can … Continue reading

Posted in Medical, Neuroscience | Leave a comment

Mars soil sample delivered for analysis inside rover

NASA’s Mars rover Curiosity has ingested its first solid sample into an analytical instrument inside the rover, a capability at the core of the two-year mission. The rover’s Chemistry and Mineralogy (CheMin) instrument is analyzing this sample to determine what minerals … Continue reading

Posted in Cosmology | Leave a comment