RT @ericasadun: Know the signs. #paleontology

"So, what's the relationship between material evidence and imagination in producing these illustrations? Why have our visual renderings of dinosaurs changed so much over time? I think the answer is neither just cultural -- artists are simply making it up as they go along -- nor is it just empirical -- artists are simply following the available evidence. Rather, the two interact with one another in a very deep way."

"It is arguably the most enigmatic living bird in regard to its phylogenetic relationships." Fascinating, dinosaurian Amazonian birds! Hoatzin chicks have two claws on each wing that they lose in adulthood; when under attack by predators, "they drop into the water and swim under the surface to escape then later use their clawed wings to climb back to the safety of the nest."

Fossils discovered in northeastern China of a giant, previously unrecognized dinosaur show that it is the largest known feathered animal, living or extinct, scientists report.

Knbmedia today introduces Find Them All: Dinosaurs World 1.4.3 for iOS, the second in their series of "Find Them All" Educational apps for kids 2 - 8. A guided introduction to 24 different species of dinosaurs, the app's narrator can speak English, French, German, or Spanish. The 100% interactive app features 6 different activities, including: Match the Dinosaur, Win an Animated Card, Take a Photo, Find the Dinosaurs in the Dark, Make a Jigsaw Puzzle from a Photo, and Play the Photo Quiz.

Humans hunted Australia's giant vertebrates to extinction about 40,000 years ago, the latest research published in Science has concluded.

Explore a time-line of the history of everything.