HumansHow the evolution of citrus is inextricably linked with our own Millions of years ago, our ancestors lost a gene for producing vitamin C and got a taste for citrus. Since then, we've cultivated the tangy fruits into global staples like sweet oranges and sour lemons News
SpaceMoss that survives deep freeze and radiation could live on Mars Syntrichia caninervis is found in some of the most extreme places on Earth and can survive conditions that would kill almost any other organism, making it a potential candidate for colonising Mars News