Lisa Carnell
Director of NASA's Biological and Physical Sciences Division, with a background in stem cell research and radiation countermeasures, leading NASA's AVATAR organ-chip experiment for Artemis II.
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Apr 1, 2026 • 1h 1min
Artemis II’s AVATAR and a sungrazing comet
Lisa Carnell, NASA division director leading AVATAR, discusses personalized organ-chip biology flying around the Moon. Alain Maury, asteroid hunter from Chile, recounts discovering sungrazing comet C/2026 A1 (MAPS) headed for a dramatic close solar pass. They explore organ-chip tech for astronaut health, comet discovery methods, and what a surviving sungrazer could mean for skywatchers.
