Stefan returns to challenge Hank on Quiz Show, and the rest of the SciShow Tangents crew decided to join in the fun!

Bacteria from a sneeze was inadvertently sent to the Moon. When it returned to Earth, it came back to life. What does this mean for the possibility of life in the Universe?



Physics - Universe - Learni

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A dramatic and information-packed account of the program to put a man on the Moon by the end of 1969.

/ view out Apollo 12 Lunar Module (LEM) window during landing on lunar surface. Apollo 12 Lunar Module landing on the moon on November 19, 1969 in In Space (Footage by Getty Images)

/ tracking shot of moon surface as Apollo 12 capsule passes over it. View of moon surface from Apollo 12 capsule on November 19, 1969 in In Space (Footage by Getty Images)

/ astronauts Charles Conrad, Alan Bean and Richard Gordon living inside Command Module, shaving and taking pictures out the window. Apollo 12 astronauts inside Command Module on November 19, 1969 in In Space (Footage by Getty Images)

/ astronauts Charles Conrad, Alan Bean and Richard Gordon living inside Command Module, goofing around and taking pictures out the window. Apollo 12 astronauts inside Command Module on November 19, 1969 in In Space (Footage by Getty Images)

/ Earth moving directly between the sun and the Apollo 12 spacecraft. Apollo 12 captures solar eclipse on the moon on November 24, 1969 in In Space (Footage by Getty Images)

/ Apollo 12 astronaut (either Charles Conrad or Alan Bean) working outside landing craft. Apollo 12 astronaut on moon surface on November 19, 1969 in In Space (Footage by Getty Images)