Protecting biocatalysts from oxygen

Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons—an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their ...

India's switch to GM food crops hinges on court verdict

Whether India—the world's second-largest producer of staples like rice and wheat as well as fruits and vegetables—finally switches to genetically modified (GM) food crops hinges on litigation currently being fought in ...

How chemical modifications on DNA keep genes silent

Several diseases, including certain types of cancer and some neurodevelopmental conditions, have aberrant patterns of DNA methylation, a chemical modification that regulates gene expression in ways that keep genes in the ...

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