A new battery starves cancer cells of oxygen in mice
The device gives treatments for tumors a boost in lab animals
![An SEM image of breast cancer cells.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/03/033023_bb_hypoxia-tumors_feat.jpg?fit=1030%2C580&ssl=1)
Solid tumors, such as those formed in breast cancer (SEM image of breast cancer cells shown), can be low-oxygen environments. A new battery wraps around tumors and further deprives them of oxygen.
STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY/Getty Images