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Primordial black hole search called off

January 21, 2014 Leave a comment

A new analysis rules out the remaining mass window of primordial black holes as candidates to explain dark matter, I reported for Nature on Friday.

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Higgsogenesis

October 4, 2013 Leave a comment

The Higgs particle may have set the density of dark matter, and produced the asymmetry between matter and antimatter.

Father of GPS rapped over alleged conflict-of-interest

August 2, 2012 Leave a comment

Are future broadband networks likely to interfere with GPS? The NASA IG weighs in on recent controversy, in my blog post for Nature.

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Lab chemicals removed from UT Austin campus

March 15, 2012 Leave a comment

The FBI is investigating a biology student pulled over for a traffic offence who had lab chemicals in his car. Nature News.

New evidence in MMR-autism “fraud” case

November 9, 2011 Leave a comment

Supporters and accusers of disgraced medical researcher Andrew Wakefield come to different conclusions about the meaning of pathology records for the children he studied. Read my article today at Nature.

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Latest images of 2005 YU55

November 8, 2011 Leave a comment

Latest radar images of close-passing asteroid show a more oblong shape than thought, and bright speckles (boulders?). See today’s blog post.

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US lawmakers debate bilateral science talks with China

November 2, 2011 Leave a comment

NASA unable to collect satellite data from stations in China due to congressional ban on bilateral activities with the country; one of the nuggets in my report on today’s hearing.

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