Saturday Citations: Listening to bird dreams, securing qubits, imagining impossible billiards

It's Saturday, which means that in a universe where the arrow of time moves backward, people have to go to work tomorrow. In such a hypothetical universe, Garfield hates Fridays—tough to imagine. This week, we looked at several hundred breaking science developments, four of which I've highlighted here, including a new geoengineering study, a quantum infosec breakthrough, and listening in on the melodious dreams of birds.