Navigation Links
Wright bros. upstaged! Dinos invented biplanes

The evolution of airplanes from the Wright Brothers' first biplanes to monoplanes was an inadvertent replay of the much earlier evolution of dinosaur flight, say two dino flight experts.

According to paleontologist Sankar Chatterjee and retired aeronautical engineer R.J. Templin, a small early Chinese dinosaur called Microraptor gui used a two-level, biplane wing configuration to fly from tree to tree in the early Cretaceous. Among the evidence for the early biplane is that Microraptor had unmistakable flight feathers on its hind limbs as well as on its wings, says Chatterjee, a distinguished professor at Texas Tech University in Lubbock. The Chinese paleontologists who first reconstructed Microraptor had guessed that its four wings were used in tandem, similar to those of dragonfly.

Chatterjee presented the new biplane flight findings on Sunday, 16 October, at the Annual Meeting of the Geological Society of America in Salt Lake City.

"The most unusual thing is that they have flight feathers not only on the hand section, but also on foot," said Chatterjee. Flight feathers differ noticeably from other feathers in that they are asymmetrical with interlocking barbules to keep their shape. The leading edge of each long feather was narrower than the trailing edge, which helped streamline the body in flight. The hooked, interlocking barbs gave strength and flexibility to the feather and prevented air from passing through it in flight.

Some present-day birds, especially raptors as well as the earliest Jurassic bird Archaeopteryx, also have (or had) feathers on their legs, Chatterjee says. But these are not flight feathers and appear adapted to streamline the legs during catching and carrying prey so they don't interfere with flight.

Another key element to discovering Microraptor's flight secrets was setting some realistic limitations on how the dinosaur could move its hindlimbs ? something that was initially overlooked by Chinese
'"/>

Source:Geological Society of America


Page: 1 2 3

Related biology news :

1. Dinosaur DNA? New Patent Covers Degraded DNA recovery
2. Dinosaurs -- stones did not help with digestion
3. Dinosaur extinction didnt cause the rise of present-day mammals, claim researchers
4. Dinosaur hearing, listening to muscle noise, quieter cubicles
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Wright bros upstaged Dinos invented biplanes

(Date:9/16/2014)... "molecular brakes" that time the generation of important cells ... cells" translate sound waves into electrical signals that are ... If the arrangement of the cells is disordered, hearing ... will be published in The Journal of Neuroscience ... Hey2 act as brakes to prevent hair cell generation ...
(Date:9/16/2014)... the dinosaurs 66 million years ago decimated the evergreens ... than their deciduous peers, according to a study led ... journal PLOS Biology . , Applying biomechanical ... leaves of angiosperms flowering plants excluding conifers ... of a diverse plant community thriving during a 2.2 ...
(Date:9/16/2014)... returned to Spain culminating the around the world of ... of how the global ocean works and what is ... the atmosphere is not limited to coastal areas, but ... planet, and it is already affecting the ocean ecosystem. ... CSIC Residence for Researchers in Barcelona, in a congress ...
Breaking Biology News(10 mins):Hey1 and Hey2 ensure inner ear 'hair cells' are made at the right time, in the right place 2Meteorite that doomed dinosaurs remade forests 2Meteorite that doomed dinosaurs remade forests 3Meteorite that doomed dinosaurs remade forests 4The Malaspina Expedition confirms that pollution reaches even the most remote areas of the ocean 2The Malaspina Expedition confirms that pollution reaches even the most remote areas of the ocean 3
... research team from Rollins College in Florida and the University ... the coral-killing pathogen that causes white pox disease of Caribbean ... elkhorn coral was listed for protection under the United States ... disease. The team,s findings have just been published in the ...
... A recent study demonstrated increased rates of celiac disease ... in the May-June 2011 issue of The Journal ... patients presenting with infertility. Each participant underwent serologic ... testing. The 4 patients who had positive serum ...
... , Cincinnati, (OH) - The International Rett Syndrome Foundation ... to support eight cutting-edge projects that aim to accelerate ... IRSF is the world,s largest private source of funding ... 1998, IRSF has cumulatively funded over $24M in high ...
Cached Biology News:Human pathogen killing corals in the Florida Keys 2Human pathogen killing corals in the Florida Keys 3IRSF awards over $650,000 for Translational Rett Syndrome research 2
(Date:9/16/2014)... COPENHAGEN, Denmark , Sept. 16, 2014 /PRNewswire/ ... its innovative TransCon technology to address significant unmet ... its ongoing Phase 2 pediatric study to evaluate ... hormone deficiency, or GHD.  The full interim results ... of the GRS and IGF Society, being held ...
(Date:9/15/2014)... drives classical phase transitionsthink solid, liquid, and ... the temperature drops. If phase transitions occur ... mechanics reigns, subtle fluctuations can dramatically transform ... U.S. Department of Energy,s Brookhaven National Laboratory ... frigid landscape of absolute zero to isolate ...
(Date:9/15/2014)... have developed a technique for controlling the surface tension ... the door to a new generation of reconfigurable electronic ... the fact that the oxide "skin" of the metal ... as a surfactant, lowering the surface tension between the ... a liquid metal alloy of gallium and indium. In ...
(Date:9/15/2014)... IRVINE, Calif. , Sept. 15, 2014 /PRNewswire/ ... a new viral transport solution for safe ambient ... prior to molecular testing. Importantly, the infectivity of agents ... solution while maintaining the integrity of the viral ... news of the recent Ebola epidemic in ...
Breaking Biology Technology:Ascendis Pharma A/S Announces Positive Interim Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 2Ascendis Pharma A/S Announces Positive Interim Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 3Ascendis Pharma A/S Announces Positive Interim Results from a Phase 2 Pediatric Study of Once-Weekly TransCon Growth Hormone for the Treatment of Growth Hormone Deficiency 4Elusive quantum transformations found near absolute zero 2Elusive quantum transformations found near absolute zero 3Researchers control surface tension to manipulate liquid metals 2Safe storage and transport of Ebola, Mers-CoV, and other viruses: Groundbreaking viral inactivation solution capable of preserving nucleic acids 2Safe storage and transport of Ebola, Mers-CoV, and other viruses: Groundbreaking viral inactivation solution capable of preserving nucleic acids 3
... programs for the University of Wisconsin-Madison, is part information technologist, ... Part II of this interview. In Part I , ... (below), he addresses creating a culture of innovation and finding ... featured speaker at the Fusion 2007 CEO-CIO Symposium . ...
... In a move that could bring additional investment partners to ... an office in Ann Arbor, Mich. after receiving money from ... which recently moved into a larger space in the MGE ... of three venture firms selected to receive funding through a ...
... - Oskar Anderson, chief information officer for the Wisconsin ... succeed Matt Miszewski as administrator of the state Division ... this week, will join the Department of Administration ... His appointment was confirmed this morning in an e-mail to ...
Cached Biology Technology:Venture Investors to open Michigan office 2Oskar Anderson to succeed Miszewski as head of state technology division 2
... Our Accumix standard is a new tuning ... electrospray ionization mass spectrometry. Accumix is ... mass range coverage for both tuning and ... and LTQ-MS) and Fourier transform mass spectrometers. ...
Goat Anti-Horse IgG(T) Antibody, Unconjugated...
Identify and characterize Phosphoinositide (PI(3,4,5)P3) binding...
Mouse polyclonal antibody to MCFD2 - multiple coagulation factor deficiency 2...
Biology Products: