Dr Karl: Need to Know
Australian breakthroughs: dark energy
Dr Karl outlines what we do and don’t know about the mysteriously named dark energy, which makes up around 70 per cent of the entire universe.
Category: Dr Karl: Need to Know
Dr Karl: Need to Know
Australian breakthroughs: the cervical cancer vaccine
Dr Karl looks at how scientists have combated cervical cancer since the early 20th century.
Dr Karl: Need to Know
Australian breakthroughs: the invention of wi-fi
Dr Karl looks at the story behind how Australian black hole researchers invented wi-fi.