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Butterflies in Medical News

Natural Selection in Butterflies

An international team of researchers has found natural selection in a tropical butterfly species that fought back - genetically speaking - against a highly invasive, male-killing bacteria. Within 10 generations that spanned less than a year, the proportion of males of the Hypolimnas bolina b...

January American Naturalist highlights

...rsity, the Netherlands, turned to tropical African butterflies to find the answer. The definitive answer is still...ificial selection to create genetically long-lived butterflies of the species Bicyclus anynana. Basically, we use...asonal conditions. They discovered that female butterflies had shifted their reproduction from quantity to qu...

The Will and Jada Smith Family Foundation and Maybelline Join Forces With the Lupus Foundation of America for a Star-studded Gala to Raise Awareness for Lupus

... Family Foundation is set to host the first annual butterflies Over Hollywood soiree. The event, to be held at th...purpose of raising awareness and funds for lupus. butterflies Over Hollywood will be hosted by Malcolm-Jamal War...'s themed event of this caliber in recent history, butterflies Over Hollywood is sure to be a highly sought after...

Size and Position of Floral Anther Plays a Vital Role in Pollination

... by buzz-pollinating bees . The male floral structures, anthers, release the pollen gradually, like tiny gumball dispensers. 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 u...

No Kidding, All Gizmos and No Play Makes Jack A Super-Dull Boy!

...ith subtle demands of perfection, laid down by parents. It is uncommon to find children these days, taking a walk in the garden, observing plants, and butterflies and just being close to nature. Undoubtedly, this has its own benefits for healthy child development, much more than what heavy duty gizmos and gadget...

Love And Drug Addiction Share The Same Chemistry

...beating thrice as fast as the normal rate (72 beats/minute). There is an increased blood flow to the cheeks (blushing) and sexual organs (sensation of butterflies in the stomach). The only difference between drug abuse in this regard is that the above-mentioned effect is less pronounced. Furthermore, the s...
Butterflies in Medical Products

Cynthia Rowley Eyewear Collection

Description:...ts, while other designs offer unique laser cut treatments in rich colors of raspberry, carmel and eggplant. Feminine shapes in flirty cateyes, rounded butterflies and soft rectangles enhance thecollection. The oversized sunwear designs reflect Cynthia Rowley's cutting edge fashion sense and draw inspiration fr...
Company:Kenmark Group

Bottega Veneta Sunglasses Collection

Features:... The unmistakeable hallmark is the set of five studs on the temples and the tiny butterflies etched onto the lugs: the maisons delicate, exclusive icon. The new oversized, square acetate frames include a refined profile texturing, with the br...
Company:Safilo Group
Butterflies in Medical Dictionary

Cochlea

... Imaging of the Ear with High ... ... cell regeneration in the cochlea , and is just embarking on ... Promenade 'Round the Cochlea . OmniNerd. butterflies and Wheels. Supernovas. Sharp Brains ... ... dominant role of the much more sensitive cochlea in human auditory perception. ... nerve which jo...
Butterflies in Biological News

Hind wings help butterflies make swift turns to evade predators, study finds

ITHACA, N.Y. 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 evade predators. "To escape a predator, you don't have to be fast, you just h...

Monarch butterflies help explain why parasites harm hosts

Athens, Ga. Its a paradox that has confounded evolutionary biologists since Charles Darwin published On the Origin of Species in 1859: Since parasites depend on their hosts for survival, why do they harm them? A new University of Georgia and Emory University study of monarch butterflies and th...

Smell-wars between butterflies and ants

Among humans, making yourself smell more alluring than you really are is a fairly harmless, socially accepted habit that maintains a complete perfume industry. However, it is a matter of life and death for caterpillars of large blue butterflies that dupe ant workers into believing them to be one o...

Male-killing bacteria makes female butterflies more promiscuous

A study at UCL (University College London) finds that a high-prevalence of male-killing bacteria active in many species of insect including the butterfly, actually increases female promiscuity and male fatigue. The team found that when the male insect population drops -- killed off by the bacteri...

Some butterflies travel farther, reproduce faster

Researchers have uncovered physiological differences among female Glanville fritillary butterflies that allows some to move away from their birth place and establish new colonies. These venturesome butterflies are stronger fliers and reproduce more quickly compared to their less mobile female relat...

Where have all the butterflies gone?

Cold, wet conditions early in the year mean that 2006 is shaping up as the worst year for California's butterflies in almost four decades, according to Art Shapiro, professor of evolution and ecology at UC Davis. That's a turnaround from last spring, when millions of painted lady butterflies migr...

Female butterflies go for sparkle -- not size -- when choosing to mate

Size doesn't matter, at least not the size of the eyespots on a male butterfly's wings when female butterflies consider potential mates. Instead, females are attracted to the "sparkle" created by the ultraviolet reflectivity of the pupils, the white circles at the center of eyespots, according t...

How monarch butterflies are wired for navigation

In their extraordinary annual migration from North America to Mexico, monarch butterflies are known to use the angle of polarized sunlight as a celestial guide to help them keep to a straight and true path southward. But details of their navigational machinery have remained a mystery. Now, resear...

Sexy or repulsive? Butterfly wings can be both to mates and predators

... New Haven, Conn. butterflies seem able to both attract mates and ward off preda...terflies' wings specifically, those of bush brown butterflies serve a different purpose than the ones on the un... body to communicate different messages. While butterflies often sit with their wings folded together and the...

USGS Science Picks

...r the mistletoe, consider this: while festive and fun, mistletoe also provides essential food, cover and nesting sites for an amazing number of birds, butterflies and mammals in the United States. There are more than 1300 types of mistletoe around the world, and more than 20 of them are endangered. But don't be ...

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Butterflies in Biological Definition

Abiogenesis

... Ross wrote: "So may he (Sir Thomas Browne) doubt whether in cheese and timber worms are generated; or if beetles and wasps in cows' dung; or if butterflies , locusts , grasshoppers , shell-fish , snails , eels , and such like, be procreated of putrefied matter, which is apt to receive the form of tha...

Chromosome

... 54 Dove 16 Horse 64 edible snail 24 Chicken 78 Earthworm 36 Carp 104 Pig 40 butterflies ~380 Wheat 42 Fern ~1200 Normal members of a particular species all have the same number of chromosomes (Table 1). Ase...

Entomology

...subspecialties have their own names, derived from the scientific name of the group: Coleopterology - beetles Lepidopterology - moths and butterflies Myrmecology - ants Organizations Like other scientific specialties, entomologists have a number of local, national, and international o...
Butterflies in Biological Dictionary

Eyespots

...lly similar to eyespots in other animals. Owl butterflies (genus Caligo) bear eye-spots on the underside o...o treat. Circular markings on creatures such as butterflies are effective against predators because they are c... eyespots on a male butterfly's wings when female butterflies consider potential mates. Instead, females are ......
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(Date:10/17/2014)... German . ... in order to reproduce? And why are there two sexes ... latest issue of the research journal Molecular Human Reproduction ... Ramm from Bielefeld University Bielefeld has compiled this special issue ... a female to copulate with several males in quick succession ...
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