Archive of articles published on the 20th of February 2012
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Building blocks of early Earth survived collision that created moon
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'Duet of 1' possible with hand-controlled voice synthesizer
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Pulsars: The Universe's gift to physics
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Studying the evolution of life's building blocks
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Rainforest plant combats multi-resistant bacterial strains
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Traitorous immune cells promote sudden ovarian cancer progression
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Home visits for asthma: A win for both patients and payers
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High definition polarization vision discovered in cuttlefish
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Penn researcher helps discover and characterize a 300-million-year-old forest
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Babies' colic linked to mothers' migraines