A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...
NPR's Ayesha Rascoe speaks to Arash Azizi of Yale University about the role of the Revolutionary Guard in Iran.
Inhibitors of matrix metalloproteases (MMPs) are currently under evaluation for the treatment of cancer and arthritis 1. As a family, the MMPs are capable of metabolizing virtually all of the ...
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