Paul Halpern's Blog – February 2011 Archive (1)

• Illustrated Children's Book about Pluto
• The Wonderful Christine Lavin
• An Extraordinary Triumph for Science
• Blogging for NOVA
• Philadelphia Science Festival
• Excited to announce a new book
• Yellowstone

• Illustrated Children's Book about Pluto
• The Wonderful Christine Lavin
• An Extraordinary Triumph for Science
• Blogging for NOVA
• Philadelphia Science Festival
• Yellowstone
• The Discreet Charm of the Discrete

2013

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2012

• July (1)
• June (1)
• May (2)

2011

• August (1)
• April (1)
• February (1)
• January (1)

2010

• June (1)
• May (1)