When 90% of funding was cut to a Harvard medical research lab studying the regenerative qualities of salamanders, six-year-old Marianne Cullen, of Springfield, Mass., a fan of salamanders, stepped up to help. Steve Hartman reports on how one young donor lifted spirits as well as funds. "CBS News Sunday Morning" features stories on the arts, music, nature, entertainment, sports, history, science and Americana, and highlights unique human accomplishments and achievements. Check local listings for "CBS News Sunday Morning" broadcast times. Subscribe to the "CBS News Sunday Morning" YouTube channel: / cbssundaymorning Get more of "CBS News Sunday Morning": https://cbsnews.com/sunday-morning/ Follow "CBS News Sunday Morning" on Instagram: / cbssundaymorning Like "CBS News Sunday Morning" on Facebook: / cbssundaymorning Follow "CBS News Sunday Morning" on Twitter: / cbssunday Subscribe to our newsletter: https://cbsnews.com/newsletters/ Download the CBS News app: https://www.cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-0... For video licensing inquiries, contact: [email protected]