By Megan Scudellari | June 22, 2011
Flying in a flock comes at a considerable energetic cost for pigeons, raising the question of why they do it.
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Kepler-452b revolves around a sun much like our own.
Ethical issues attend the creation of animal-human chimeras.
Multiple consecutive adenosine nucleotides can cause protein translation machinery to stall on messenger RNAs.
In some pathogenic bacteria, certain antibiotic resistance–associated mutations may also confer an unexpected growth advantage.
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