As the world warmed from the last ice age, a rise in carbon dioxide levels stalled for nearly 2,000 years. That's always puzzled scientists, but now they think they know what happened.
The world-class researchers recognised in 2020 span art and design, chemical science, computer science and engineering, humanities and languages, and law.
A new extinct family of giant wombat relatives has been discovered in the Australian desert. The giant marsupial that roamed prehistoric Australia 25 million years ago is so different from its wombat cousins that scientists have had to create a new family to accommodate it.
