Search results for hind wings
Hind wings help butterflies make swift turns to evade predators, study finds
Biology /
Jan 07, 2009 |
3 / 5 (1) |
0
(PhysOrg.com) -- New tires allow race cars to take tight turns at high speeds. Hind wings give moths and butterflies similar advantages: They are not necessary for basic flight but help these creatures take tight turns to ...
Lizards pull a wheelie
Biology /
Jun 13, 2008 |
3.8 / 5 (6) |
2
Why bother running on hind legs when the four you've been given work perfectly well? This is the question that puzzles Christofer Clemente. For birds and primates, there's a perfectly good answer: birds have converted their ...
Four, three, two, one... pterosaurs have lift off
Other Sciences / Archaeology & Fossils
Jan 06, 2009 |
4.8 / 5 (10) |
2
Pterosaurs have long suffered an identity crisis. Pop culture heedlessly — and wrongly — lumps these extinct flying lizards in with dinosaurs. Even paleontologists assumed that because the creatures flew, they were birdlike ...
Stem cells improve damaged spines in mice
Feb 05, 2009 |
5 / 5 (2) |
0
A team of researchers at Keio University has succeeded in improving spinal cord damage in mice by transplanting into them neural stem cells produced with human induced pluripotent stem (iPS) cells, they said.
Native Lizards Evolve to Escape Attacks by Fire Ants
Biology /
Jan 20, 2009 |
4.4 / 5 (5) |
4
(PhysOrg.com) -- Penn State Assistant Professor of Biology Tracy Langkilde has shown that native fence lizards in the southeastern United States are adapting to potentially fatal invasive fire-ant attacks ...
Ancient Flying Pterosaur Also Sailed Seas (w/ Video)
Other Sciences / Archaeology & Fossils
Oct 19, 2009 |
4.2 / 5 (14) |
0
(PhysOrg.com) -- Tapejara was an excellent flyer that also had an innate nautical knowledge of sailing.
Flying tip of bees: Leave your legs dangling!
Apr 04, 2006 |
4.8 / 5 (13) |
0
Unlike airplanes, leaving their landing gear down makes bees fly faster. When orchid bees extend their hind-legs they pitch forward to achieve maximal speed, and the legs produce lift forces to either side ...
Biologist discovers pink-winged moth in Chiracahua Mountains
Jun 10, 2009 |
5 / 5 (3) |
0
University of Arizona biologist Bruce Walsh has identified a new species of moth in southern Arizona. Normally, this is not a big deal. The region is one of the most biologically rich areas in the country ...
Ancient 'monster' insect offers Halloween inspiration
Oct 26, 2009 |
4.4 / 5 (9) |
0
Just in time for Halloween, researchers have announced the discovery of a new, real-world "monster" - what they are calling a "unicorn" fly that lived about 100 million years ago and is being described as ...
Tracking feline memories on the move
Biology /
Aug 20, 2007 |
3.7 / 5 (7) |
0
When a cat steps over an obstacle with its front legs, how do its hind legs know what to do? A new study in the August 21st issue of Current Biology, a publication of Cell Press, reveals that it is the foreleg stepping moveme ...
Scientists make paralyzed rats walk again after spinal-cord injury
Medicine & Health / Neuroscience
Sep 20, 2009 |
4.9 / 5 (23) |
3
UCLA researchers have discovered that a combination of drugs, electrical stimulation and regular exercise can enable paralyzed rats to walk and even run again while supporting their full weight on a treadmill.
Genital stimulation opens door for cryptic female choice in tsetse flies
May 14, 2009 |
not rated yet |
0
Manipulation of male and/or female genitalia results in a suite of changes in female reproductive behavior in tsetse flies, carriers of African sleeping sickness.
How does a dog walk? Surprisingly, many of us don't really know
Biology /
Jan 26, 2009 |
3.8 / 5 (6) |
0
Despite the fact that most of us see our four-legged friends walking around every day, most of us-including many experts in natural history museums and illustrators for veterinary anatomy text books-apparently still don't ...
Male flies: Not the world's most sensitive lovers
Jun 12, 2009 |
2.3 / 5 (4) |
1
In order to increase their chances of reproductive success, male flies of the species Drosophila montana try to copulate for much longer than the females would like. Researchers writing in the open access journal BMC Evolution ...
Like an arrow: Jumping insects use archery techniques
Biology /
Sep 30, 2008 |
4.2 / 5 (6) |
2
Froghoppers, also known as spittlebugs, are the champion insect jumpers, capable of reaching heights of 700 mm - more than 100 times their own body length. Research published today in the open access journal ...
