Rodents' evolutionary success may stem from thumbnails aiding in food manipulation, enabling them to access nuts and seeds. Study examines thumb structure across 425+ species. Science journalism support needed.
Explore the diverse world of primates, from their evolution and diets (including omnivores and meat-eaters) to their complex social structures and tool use. Discover key primate groups and their unique adaptations.
The universe has expanded greatly since it was born about 13.8 billion years ago in the Big Bang, and that means the light from early galaxies appears reddened by the time it reaches Earth, much as how an ambulance siren sounds lower-pitched to people as the vehicle drives away.
