A saddleback caterpillar covered in parasitic braconid wasp cocoons. The four projections are poisonous spines that the caterpillar uses for defense.
By The Scientist Staff | May 28, 2014
FLICKR, USGS, THOMAS A. HERMANN
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By Kate Yandell
A mass migration of mobile regulatory elements increased the expression of thousands of genes in the uterus during the evolution of pregnancy.
By Ruth Williams
Scientists have determined the crystal structures of bacterial translocator proteins, but their functions remain unclear.
By Jenny Rood
Charles Townes, Nobel Prize-winning physicist, has passed away at age 99.
View the January 2015 contents.
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