We are four months into a global virus outbreak, and public health awareness could well be at an all-time high. Which is why it is astonishing to discover that 92% of Australians don’t know the difference between a viral infection and a bacterial one.
A virus that infects koalas is steadily integrating itself into their DNA, ensuring that it is passed down from generation to generation. But the koala genome is defending itself, revealing that DNA has its own immune system to shut down invaders.
They don’t make them like this any more.