LifeLast common ancestor of all life emerged far earlier than thought All life on Earth can trace its origin to LUCA, the last universal common ancestor – and now it seems this organism may have lived a few hundred million years after the planet formed News
LifeModern rose hybrids have a worrying lack of genetic diversity Intensive breeding since the 19th century has created thousands of varieties of rose, but a reduction in genetic diversity could leave them vulnerable to diseases and climate change News