(Phys.org)—A team of researchers at Vrije Universiteit Amsterdam has built, for the first time, a molecular fountain. The group has published a paper in the journal Physical Review Letters describing how they created the fountain, how it works and their ideas on how it might be used to more precisely measure physical constants.
Russia finds 'new bacteria' in Antarctic lake - Russian scientists believe they have found a wholly new type of bacteria in the mysterious subglacial Lake Vostok in Antarctica, the RIA Novosti news agency reported on February 5, 2012. DNA was found that did not coincide with any of the well-known types in the global database. Read more at: http://phys.org/news/2013-03-russia-bacteria-antarctic-lake.html#jCp
(Phys.org)—One target therapy in cancer research is to suffocate the tumor. Cells need oxygen to survive so researchers have focused on methods for cutting off the blood supply to the tumor. Very little research has involved the direct removal of oxygen within the tumor.
Astronauts to reveal sobering data on asteroid impacts---This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten times more, in fact. Read more at: http://phys.org/news/2014-04-astronauts-reveal-sobering-asteroid-impacts.html#jCp--
(Phys.org)—A small team of researchers in the U.S. has found evidence in rock samples that suggests that oxygen levels during the Lomagundi Event were high enough to support the advancement of life on Earth. In their paper published in Proceedings of the National Academy of Sciences, the team describes how they analyzed rocks that had formed during the event period and in so doing found evidence of higher than expected oxygen levels.