mammals
Coverage of mammals in the Nexus archive.
- The ability to regrow body parts is dormant in mammals, not lost
The article reveals that mammals possess a dormant ability to regrow body parts, suggesting this capacity has not been lost but remains inactive. Research challenges previous assumptions about regenerative limitations in mammals.
- Remarkable fossils rewrite the story of how animals conquered the land
Palaeontologists discovered new evidence indicating that the early ancestors of amphibians, reptiles, and mammals did not possess a larval stage with external gills, challenging previous assumptions about their transition to land.
- 289-million-year-old mummified reptile reveals how breathing began on land
A 289-million-year-old mummified reptile, Captorhinus aguti, has been discovered with evidence of a rib-powered breathing system, offering insights into how vertebrates transitioned to land. This finding redefines understanding of early terrestrial respiration in reptiles, birds, and mammals.