How do astronauts breathe in space? › Dr Karl's Great Moments In Science (ABC Science)

Astronauts on the International Space Station breathe air almost identical to the stuff we breathe on Earth. Dr Karl explains where it comes from.

Space travel's heavy toll on health

Dr Karl Kruszelnicki's science conundrums: How do ISS astronauts

QED With Dr. B, Astronaut Training, Season 2, Episode 14

Astronaut Biography: Rick Sturckow

Building the ultimate solar system › Dr Karl's Great Moments In

innovative national sanction

Building the ultimate solar system › Dr Karl's Great Moments In

Science - ABC News

2022 in science - Wikipedia

Astronautics and Aeronautics, 1967 - NASA's History Office

Karol Bobko, First to Pilot the Challenger Into Space, Dies at 85

Great Moments In Science with Dr Karl Kruszelnicki - ABC listen

Great Moments in Science - with Dr Karl

Surprising Sun facts › Dr Karl's Great Moments In Science (ABC