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B-52's New F130 Engine Complete Altitude and Operability Testing

Rolls-Royce and the U.S. Air Force validated the F130's ability to meet performance requirements for the B-52 missions, getting closer to flight testing. Engine maker Rolls-Royce announced on Feb. 24, ...
Nature

RNA processing and its regulation: global insights into biological networks

The limited differences between the genomes of very different species have led to the emerging recognition that biological diversity is likely to largely derive from the complexity of RNA. This is ...