miRNAs are short, noncoding RNA molecules, 16–29 nucleotides long, that modulate gene expression by base-pairing with the 3′ untranslated region of their target mRNAs. Depending on the degree of ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Waveguide-enhanced Raman spectroscopy utilizes electromagnetic enhancements at waveguide surfaces to improve Raman signal intensity. This Primer discusses laser selection, waveguide design, light ...

India has prioritized supplying liquefied petroleum gas, used as cooking fuel, to households, prompting a sharp supply crunch for restaurants and hotels. India is the world's second-largest importer ...