Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale
... long-necked browsers like Brachiosaurus - and the carnivorous theropods, like T. rex. Only the theropods survive to the present as birds. If, as the team concludes, the first ornithischians outside South America did not appear until 25 million years later than people thought, the picture of dinosaur evolution ...Agilent Technologies introduces high-capacity human protein removal system for proteomics research
... long-necked browsers like Brachiosaurus - and the carnivorous theropods, like T. rex. Only the theropods survive to the present as birds. If, as the team concludes, the first ornithischians outside South America did not appear until 25 million years later than people thought, the picture of dinosaur evolution ...Cats' indifference towards sugar explained
...ains the molecular mechanism behind their strictly carnivorous behavior. "We took a behavioral question and answe...ility to taste sweet things? Which came first, the carnivorous behavior or the inability to taste sweets?" Brand adds, "I say jokingly, no wonder cats are cranky-...Newly discovered birdlike dinosaur is oldest raptor ever found in South America
...tagonia demonstrates that dromaeosaurs, a group of carnivorous theropods that includes Velociraptor and is closel...of this area, known as La Buitrera, includes other carnivorous dinosaurs, such as mid-sized abelisaurs and the gigantic Giganotosaurus. However, the most common an...World shark attacks dipped in 2005, part of long-term trend
...ecline in populations caused by overfishing of the carnivorous creature, which generally is slow to reproduce, Burgess said. "It appears that humans are doing a better job of avoiding being bitten, and on the rare occasion where they actually meet up with a shark, are doing the right thing to save their lives,"...Recent, rapid climate change is driving evolution of animal species
...an mosquitoes living in the water-filled leaves of carnivorous plants are using shorter, more "southern" day lengths to cue the initiation of larval dormancy. In contrast, the authors write that no studies have found genetic changes in populations relating to the generally expected direct effects of increasing ...Mosquito genes explain response to climate change
...osquito Wyeomyia smithii, which develop within the carnivorous leaves of pitcher plants, appears online ahead of publication in the May issue of the journal Genetics. The UO researchers identified regions on three chromosomes that respond to length of day, which scientists call photoperiodism. Two of the chromo...Bats prey on nocturnally migrating songbirds
...but also within the whole animal kingdom. Although carnivorous bats feeding on small-sized vertebrates are not rare, they all live in the Tropics and collect their prey from substrates. The few species of falcons which capture migratory birds along the Mediterranean and African coasts are exclusively diurnal. Fi...Fused nasal bones helped tyrannosaurids dismember prey
...owerful bites that could splinter bone. With other carnivorous dinosaurs, says Snively, their skull bones might s... T. rex had even more skull strength than a larger carnivorous creature, such as the Carcharadontosaurus saharicus, with a head nearly one and a half times as long...Ice Age extinction claimed highly carnivorous Alaskan wolves
...ed team of scientists has added one more: a highly carnivorous form of wolf that lived in Alaska, north of the ice sheets. Wolves were generally thought to have survived the end-Pleistocene extinction relatively unscathed. But this previously unrecognized type of wolf appears to have vanished without a trace s...