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1. Crafty cockatoos learn to use public drinking fountains
   Sulphur-crested cockatoos are waiting in line at public drinking fountains in Sydney to have their daily drinks of water in the latest example of cultural evolution in urban birds
2. Infant RSV shot may be more effective than vaccines during pregnancy
   When an RSV vaccine became available for use during pregnancy, it offered a natural experiment between various countries to see how it compared to a one-time antibody injection
3. NASA is facing the biggest crisis in its history
   Widespread proposed budget cuts have left the US space agency facing an uncertain future at the same time as NASA’s intended new leader has been withdrawn by the Trump administration
4. Why it's taking a century to pin down the speed of the universe
   The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the universe is expanding, was first described more than a hundred years ago – but astronomers have debated it ever since
5. Super-invasive termites could spread from Florida around the world
   Two of the most destructive invasive termite species are interbreeding in the US – they can survive a wider range of temperatures and could easily spread across the globe