New research has revealed how dinosaurs like Velociraptor and Deinonychus used their famous killer claws, leading to a new hypothesis on the evolution of flight in birds.
Quoted from Dinosaurs with killer claws yield new theory about evolution of flight on ScienceDaily: Top News
Tyrannosaurus rex could have reached speeds of 18 miles per hour (29 km/h). Credit: Zina Deretsky Tyrannosaurus rex relied on its elite nose to sniff out Dinosaurs (Greek: δεινός, deinos + σαῦρος, sauros) are an extinct superorder of the class Reptilia, and known from recovered A programme summary Horizon: What Really Killed the ? Tags: science, nature, horizon, "Dinosaur-Killer" Asteroid Crater Imaged for A high-resolution map from NASA's Shuttle Radar Topography Mission (SRTM), released yesterday, has provided the most telling visible evidence to date a COLUMBUS, Ohio -- Planetary scientists have found evidence a meteor impact much larger and earlier than the one that killed the -- an impact