Editor’s Selections: Bouncing neutrons, Pluto’s atmosphere and The Oldest Toothache

Editor's Selections 11 Comments
By Sarah Kendrew

Sarah Kendrew Sarah Kendrew selects interesting and notable ResearchBlogging.org posts in the physical sciences, chemistry, engineering, computer science, geosciences and mathematics. She blogs about astronomy at One Small Step.

Here in Europe we’re having the warmest Easter weekend in over half a century, which is unusual and most welcome. Thanks, planet! And what better way to spend a 4-day weekend (thanks, Germany!) than reading about great science?

Last week, physicists from Austria, France and Germany described a way to use gravity to study the quantum states of neutrons. This is exciting new work that may help scientists study gravity itself on extremely small scales. Chad Orzel gives a Q&A style overview of this work and its implication on Uncertain Principles (Joerg Heber wrote another good discussion of the work here).

Not a planet, still interesting: Pluto continues to fascinate scientists and the public. Niall Deacon talks about new observations of Pluto showing the signature of carbon monoxide in its sliver of an atmosphere. These results were announced at last week’s British annual astronomy jamboree in Wales.*

In one of his dinosaur paleontology posts this week, Brian Switek describes the first known evidence of bacterial infection in a land-dwelling animal, dating back 275 million years. This particular lizard-like Labidosaurus, whose fossilized remains were found in the Midwestern US, must have had an almighty toothache.

I’ll be back next week with more picks.

*this paragraph was updated to correct an error – SK, 26/04

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11 Responses to “Editor’s Selections: Bouncing neutrons, Pluto’s atmosphere and The Oldest Toothache”

  1. Brian Switek Says:
    April 25th, 2011 at 7:51 am

    Thanks for the pick! Just one small note – Labidosaurus was not a dinosaur, but part of an early radiation of lizard-like reptiles. You might want to change “In one of his dinosaur posts” to “In one of his paleontology posts.” Regardless, I am glad that you enjoyed the post. :)

  2. Sarah Kendrew Says:
    April 25th, 2011 at 5:05 pm

    Corrected! Apologies and thanks for letting me know.

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