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Sunday, October 26, 2014

ScienceDaily: Top Science News

ScienceDaily: Top Science News

NASA's Fermi satellite finds hints of starquakes in magnetar 'storm'

Posted: 24 Oct 2014 05:02 PM PDT

NASA's Fermi Gamma-ray Space Telescope detected a rapid-fire "storm" of high-energy blasts from a highly magnetized neutron star, also called a magnetar, on Jan. 22, 2009. Now astronomers analyzing this data have discovered underlying signals related to seismic waves rippling throughout the magnetar.

Australian doctors transplants first circulatory death human heart

Posted: 24 Oct 2014 11:48 AM PDT

The St Vincent's Hospital Heart Lung Transplant Unit has carried out the world's first distant procurement of hearts donated after circulatory death (DCD). These hearts were subsequently resuscitated and then successfully transplanted into patients with end-stage heart failure.

Molecular beacons shine light on how cells 'crawl'

Posted: 24 Oct 2014 08:19 AM PDT

Chemists have devised a method using DNA-based tension probes to zoom in at the molecular level and measure and map how cells mechanically sense their environments, migrate and adhere to things.

Growing a blood vessel in a week

Posted: 24 Oct 2014 07:12 AM PDT

The technology for creating new tissues from stem cells has taken a giant leap forward. Three tablespoons of blood are all that is needed to grow a brand new blood vessel in just seven days.

Chemists achieve new technique with profound implications for drug development: Pure batches of 'one-handed' molecules

Posted: 20 Oct 2014 11:51 AM PDT

Chemists have established a new C-H activation technique that opens the door to creating a broader range of pure molecules of one-handedness or "chirality" by eliminating previous starting-material limitations.

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