Now on the molecular scale: Electric motors

Electric vehicles, powered by macroscopic electric motors, are increasingly prevalent on our streets and highways. These quiet and eco-friendly machines got their start nearly 200 years ago when physicists took the first ...

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 ...

New molecular insights into medical cannabis

In various European countries and North America, medical cannabis or medicines based on cannabinoids are authorized for therapeutic purposes. While the cannabis plant contains over 100 cannabinoids, THC (D9-tetrahydrocannabinol) ...

How TFIIH uses XPG to located damaged DNA

Nucleotide excision repair (NER) is a critical DNA repair pathway that plays a key role in maintaining transcription and genome integrity by removing bulky DNA lesions.

World's simplest animals get their place in the tree of life

The group with the world's simplest animals—tiny blob-like life forms with no organs and just a few cell types—finally has a fleshed-out family tree built by a research group led by the American Museum of Natural History, ...

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