Tag: "dragonflies" at biology news

Road salt affects mitigation wetlands

...ke to see is what happens to bullfrog tadpoles and dragonflies that overwinter in the sediment mud." The researcher would also like to sample the soil where the runoff eventually leaves the wetland to see if salt is building up there....

Fish in ponds benefit flowering plants

...y start their lives in the ponds as larvae. Those dragonflies that can escape the fish grow up to live outside t... of dragonflies. Likewise, there is evidence that dragonflies avoid laying eggs in ponds with fish. Knight noted that many organisms, for instance, salamanders, ...

A new angle on flowers: Fish are players in pollination

... in freshwater ponds and other water bodies. Adult dragonflies are major predators of bees, butterflies and other...red both the dragonfly larvae in the ponds and the dragonflies buzzing above them. They also compared the number of bees, butterflies and other pollinators visitin...

New class of antibiotics effective against drug-resistant bacteria discovered in fungi

..., resembles defensins found in spiders, scorpions, dragonflies and mussels - thus suggesting that the defensins found in insects, molluscs and fungi arose from a common ancestral gene, the researchers say. Based on this information, the scientists now believe that defensins appeared in living things more than a ...

Dragonfly migration resembles that of birds, scientists say

...based on datagenerated by tracking 14 green darner dragonflies with radiotransmitters weighing only 300 milligram...y biology. "Additionally, groups of both birds and dragonflies did not migrate on very windy days and only moved after two successivenights of falling temperatures...

Giant insects might reign if only there was more oxygen in the air

...nd abundant plant life and rather large insects -- dragonflies had two-and-a-half-foot wing spans, for example. T... insect size in the Paleozoic era, too? After all, dragonflies and some other insects back then had the same body architecture, but they were much bigger. It is ...

Dragonfly's metabolic disease provides clues about human obesity

Parasite-infected dragonflies suffer the same metabolic disorders that have led ...nges in metabolism. Unable to metabolize fat, the dragonflies accumulate fat around their muscles. This finding begs the question of whether something similar mi...

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(Date:5/23/2013)... said to be the world,s most popular fruit, can ... research with purple GM varieties. , "Working with ... by the addition of a specific compound, allows us ... said Professor Cathie Martin from the John Innes Centre. ... with better flavour, health and shelf life characteristics because ...
(Date:5/23/2013)... suppresses lipid synthesis in the liver, UC Irvine endocrinologists ... liver diseases. , With this finding, Dr. Ellis ... in the field. Study results appear in the May ... , "The dogma in the steroid receptor field for ... the nucleus respond to steroid hormones by regulating genes ...
(Date:5/23/2013)... (May 23, 2013) A new report from ... for helping pupils engage in at least 60 minutes ... day. , No more than half of American youth ... of vigorous or moderate intensity physical activity daily, according ... "Because children are in school for nearly half of ...
Breaking Biology News(10 mins):The world's favorite fruit only better-tasting and longer-lasting 2UCI study reveals new mechanism for estrogen suppression of liver lipid synthesis 2Schools should provide students with daily physical activity, IOM recommends 2
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