Dinosaur–bird link Revealed By Wrist Bone Development
How this wrist bone development happened has been the subject of much debate, with substantial disagreement between developmental…
Category: Biology
Evolutionary arms race via ancient viruses in primate evolution
New findings by scientists at the University of California, Santa Cruz, suggest that an evolutionary arms race between rival elements within…
Individual human microbe community linked to education and gender
As scientists catalog the trillions of bacteria found in every nook and cranny of the human body, a new look by the University of Michigan…
Colonization of new land drives the evolution of new hummingbird species
The first comprehensive map of hummingbirds’ 22-million-year-old family tree — reconstructed based on careful analysis of 284 of…
Diversity of lake cichlid species due to unusually high gene duplication
In an effort to understand the molecular basis of adaptation in vertebrates, researchers sequenced the genomes and transcriptomes of five…
Sloths may be slow but their body size evolved really fast
Today’s sloths might be known as slow, small animals, but their ancestors developed large body sizes at an amazing rate, according to…
Deciduous trees flourished after dinosaur-killing meteor impact
Some 66 million years ago, a 10-km diameter chunk of rock hit the Yukatan peninsula near the site of the small town of Chicxulub with the…
Origin of vertebrate notochord seriously much older than previously thought
Thoughts of the family tree may not be uppermost in the mind of a person suffering from a slipped disc, but those spinal discs provide a…
Early mammals diverged from reptiles much earlier than thought in the late Triassic
Paleontologists have described three new small squirrel-like species that place a poorly understood Mesozoic group of animals firmly in the…
Plant and animal collections crucial for research and conservation
Collecting plant and animal specimens is essential for scientific studies and conservation and does not, as some critics of the practice…