Tag: "butterflies" at biology news

Research ends debate over benefits of butterfly defenses

...n greater protection from predators, however, some butterflies evolve to imitate the warning signals of a more highly defended species a phenomenon known as mimicry. Scientists at Liverpool, in collaboration with the University of Jyvskyl in Finland, tested which species of butterfly benefits the most from thi...

Size and positioning of floral anthers facilitates

Unlike moths and butterflies that are often brilliantly colored to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colors and unusual shapes because they want to attract the attention of pollinators and frugivores who will disp...

Size and positioning of floral anthers facilitates pollen collection by bees

Unlike moths and butterflies that are often brilliantly colored to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colors and unusual shapes because they want to attract the attention of pollinators and frugivores who will disp...

Researchers witness natural selection at work in dramatic comeback of male butterflies

... if it was introduced by migratory Southeast Asian butterflies in which the mutation had already been established...hers found that males made up 39 percent of the 54 butterflies collected. The researchers tested for the continued presence of Wolbachia in the butterflies. By m...

Climate change isolates Rocky Mountain butterflies

...ky Mountains are slowly isolating groups of alpine butterflies from each other, which may lead to the extinction of the colourful insects in some areas, says a new study from the University of Alberta. A rising tree line in the Rockies due to global warming, and a policy not to initiate "prescribed burns" (in...

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(Date:5/22/2013)... conclude that the 20 percent reduction in lung ... chest X-ray (CXR) screening previously reported in the ... centers in the United States. , Philadelphia, PAPhysicians ... about the benefits and risks of LDCT lung ... New England Journal of Medicine of the ...
(Date:5/22/2013)... must join together in a major new effort to ... in providing Earth,s people with clean water that looms ... a comment article in the current edition of ... the American Chemical Society (ACS), the world,s largest scientific ... Ph.D., and Jerald L. Schnoor, Ph.D., explain that shortages ...
(Date:5/22/2013)... The discovery of potential environmental and human health ... batteries each year has led scientists to recommend ... reuse of lithium-ion (Li-ion) battery materials. That,s the ... journal Environmental Science & Technology . , ... Li-ion batteries have become mainstays for powering everything ...
Breaking Biology News(10 mins):NLST: CT detects twice as many lung cancers as X-ray at initial screening exam 2NLST: CT detects twice as many lung cancers as X-ray at initial screening exam 3
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