News Health & Medicine A new battery starves cancer cells of oxygen in mice The device gives treatments for tumors a boost in lab animals 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 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Bethany Brookshire March 31, 2023 at 2:00 pm It’s not great when a person sucks all the oxygen out of a room.