Unique dove species is the dodo of the Caribbean and in similar danger of dying out
On first inspection, the Cuban blue-headed quail dove doesn't look like much: drab brown feathers, a slender beak, and a ...
Science Daily3 天
Unique dove species is the dodo of the Caribbean and in similar danger of dying out
Ancient DNA shows an endangered dove species endemic to Cuba is more genetically distinct than the dodo was before it died out. On first inspection, the Cuban blue-headed quail dove doesn't look ...
Earth's oldest-known crater discovered in outback WA is 3.47 billion years old, study finds
The discovery of a 3.47-billion-year-old crater in WA's Pilbara region pushes back the age of the earliest-known impact site on Earth by more than one billion years.
rnz12 天
Earth's oldest-known crater discovered in outback is 3.47 billion years old, study finds
Our planet was mostly a water world during the Archaean eon, a time period covering about 4 billion to 2.5 billion years ago. But so much change has happened since there are few geological relicts ...