Fossil analysis reveals how Denisovans thrived on the ‘roof of the world’
Researchers have analyzed fossils found at Baishiya Karst Cave on the Tibetan Plateau, including a jawbone and rib bone. DNA analysis shows the fossils belonged to Denisovans, a mysterious human species known previously only from DNA evidence found in Siberia. This provides the first physical evidence that Denisovans lived on the Tibetan Plateau, showing they […]
The great silence: Just 4 in 10,000 galaxies may host intelligent aliens
Scientists argue that plate tectonics, which cause geological activity like mountains and earthquakes, are essential for complex life to evolve. Plate tectonics began around 1-1.5 billion years ago on Earth. Plate tectonics put environmental stresses on life and may have prompted the Cambrian explosion of diversity 540 million years ago. They accelerate biological evolution by […]