flight

Living the Scientific Life (Scientist, Interrupted)

Tag archives for flight

tags: The Science Behind Gliding Paper Airplanes, physics, teaching, flight, pressure, paper airplanes, streaming video Do you need a fun, hands-on experiment for your physics classroom? This video shows how a group of high school students, led by a terrific teacher, made origami paper airplanes from phone book pages that glide on a wave of…

tags: evolution, evolutionary biology, UV light, flight, dinosaur, dromaeosaur, theropods, Microraptor gui, paleontology, fossils, birds, researchblogging.org,peer-reviewed research, peer-reviewed paper, journal club Figure 1. The holotype of Microraptor gui, IVPP V 13352 under normal light. This shows the preserved feathers (white arrow) and the ‘halo’ around the specimen where they appear to be absent (black arrows).…

Ratite Flight: Lost But Not Forgotten

tags: ratite, tinamous, evolution, biogeography, phylogenomics, convergence, flightlessness, Paleognath, homoplasy, vicariance White-throated Tinamou, Tinamus guttatus. Image: Wikipedia. New research suggests the ostriches, emus, rheas and other flightless birds known as ratites have lost the ability to fly many times, rather than just once, as long thought. Further, the ratites appear to form a group with…

tags: researchblogging.org, evolution, avian flight, ornithology, birds, avian, researchblogging Chukar, Alectoris chukar; Capitol Reef National Park (Utah, USA) 2004. Image: Wikipedia [larger view]. For more than 150 years, the evolution of flight in birds has one of the most controversial topics that one can discuss at a professional meeting because this topic splits evolutionary biologists…