Why are there so many lizards in Australia? The ancient climate holds a clue

The US Government has released a new trove of documents on cases of "unidentified anomalous phenomena" (UAPs)—many of which would have been described in the past as unidentified flying objects or UFOs—including photos, videos and reports of unexplained events sighted in the sky and in space.

Storm-driven sea floods are becoming more frequent as the climate warms, increasingly destroying the nests of threatened wader birds along the Baltic Sea coast. Waders are currently beginning their breeding season.

We are surrounded by computer-generated voices these days, from navigation systems and voice assistants to automated announcements. But how human do these voices actually sound? A recent study by the Max Planck Institute for Empirical Aesthetics (MPIEA) in Frankfurt am Main, Germany, published in the journal Speech Communication, shows that our perception is affected by three things: how something is said, what is being said, and whether we understand the language.

Trying to solve quantum gravity is frustrating. We have made tremendous progress in quantum theory, but it seems that every time we find a new quantum technique, there's a reason it doesn't quite work with gravity. Take, for example, the case of quantum fluctuations and renormalization.