What are Ostriches for?

CrowdScience listener Ndanusa in Ghana, is gazing up at the stars, and wondering. Big philosophical questions, like… what keeps our universe in balance? From our perspective here on earth, the universe seems like a vast, harmonious system, perpetuating eternally without change. B ...  Afficher plus

Australia’s Great Barrier Reef is one of the richest and most complex natural ecosystems on earth, and it’s home to over 600 species of coral – marine animals that are most closely related to jellyfish. But the coral is under threat, with climate change, ocean acidification and m ...  Afficher plus

Eggs – a nutritious and affordable source of protein. Or they were. The cost of a box of eggs has been rocketing around the world. And in some places, where it’s long been common to start the day on an egg – supplies are under pressure. In this programme, Ruth Alexander explores ...  Afficher plus

Humans have been accidentally feeding wild birds for millennia; any leftover food scraps to be scooped up by opportunistic, feathered friends. The deliberate feeding of birds, however - placing seeds out on a feeder in the garden, taking crumbs to a nearby park or lake – is a mor ...  Afficher plus

The last banana you probably ate was a type called Cavendish. But this, our last commercially viable variety is under severe threat, as the fungus, called Tropical Race 4, is laying waste to swathes of Cavendish banana plants across China, Asia and Australia. Recently, scientists ...  Afficher plus

The dodo went extinct in less than 100 years of its discovery, and today is a symbol of extinction by human activity. Owing to its location, very few individual birds were sighted by humans in the 1600s, and most of what we know about the bird comes from description and art. TheP ...  Afficher plus