Dragonfly

LightLab Imaging Introduces World's Highest Resolution OCT System for Intracoronary Imaging at EuroPCR 2009

...system, the C7XR FD-OCT Imaging System with the C7 dragonfly Imaging Catheter, at EuroPCR 2009, Barcelona, Spai...March 2009. The C7XR FD-OCT Imaging System and C7 dragonfly Imaging Catheter enables micron level resolution i... Giovanni, Rome commented, "The C7XR system and C7 dragonfly imaging catheter represent a significant step forw...

The world's best brains descend on Canberra

...lian National University, reports on why dragonflies are one of the most accomplished fliers known and argues that it is possible that the eyes of the dragonfly may hold the key for designers of micro-aerial vehicles in learning to fly like a dragonfly. Wednesday at 10.45am Dr Rodney L. Reitze, University o...

Dragonfly in Biological News

Magnetic snakes control fluids, gravity-defying droplets, and solving a dragonfly mystery

Magnetic Snakes Create Water Current M. Belkin, A. Snezhko, I.S. Aranson, and W.-K. Kwok Physical Review Letters (forthcoming) Physicists at Argonne National Laboratory have found that magnetic particles suspended in water and subjected to an alternating magnetic field will form snake-shape...

Entomological Society of America names 2008 award winners

...n Libelluloidea. Jessica also studies convergent evolution, particularly in dragonfly wing venation patterns, which are influenced by flight behaviour. She is co...cs studies (e.g., Stylogomphus, Synlestes, and Syncordulia). In addition to dragonfly systematics, Jessica is interested in phylogenetic methodology. She has exa...

Dragonfly's metabolic disease provides clues about human obesity

... diseases like malaria and cryptosporidiosis. The dragonfly species that Marden and Schilder studied is Libellula pulchella. The microbes disrupting the dragonfly metabolism may hold clues for scientists looking f...anted, it is a big extrapolation to think that our dragonfly results might have any relevance for human disease...

Time of day tempers tadpoles' response to predators

...ch normally feed more at night, to see whether their responses to predatory dragonfly larvae differed with time of day. "Green frog tadpoles, like many other...xperiments, Fraker exposed tadpoles in a tank to the chemical signatures of dragonfly larvae for one hour during the day and one hour at night. Then he recorded ...

Scientist uses dragonflies to better understand flight

...an Association for the Advancement of Science. In a seminar "Falling Paper, dragonfly Flight and Making a Virtual Insect," she said the best way to learn about f...the lift. "An airfoil uses aerodynamic lift to carry its weight. But the dragonfly uses a lot of aerodynamic drag to carry its weight. That is weird, because ...