Friday, September 23, 2011

The House of Putjukan “Wild Beehive”

 

The House of Putjukan --“Wild Beehive”

By Menelo CH, 2011

 

These wild bees were taken from a a Chico (Fruit bearing tree) here in Bohol, Philippines. These wild bees locally known as putyukan or putjukan are a subset of bees in the genus Apis. This species collects and stores honey and had its ability of perennial construction, colonial nests out of wax (Engel, 1999).

 

 

Life Cycle (http://en.wikipedia.org/wiki/Apini)

As in a few other types of eusocial bees, a colony generally contains one queen bee, a fertile female; seasonally up to a few thousand drone bees or fertile males;and a large seasonally variable population of sterile female worker bees. Details vary among the different species of honey bees, but common features include:

1. Eggs are laid singly in a cell in a wax honeycomb, produced and shaped by the worker bees. Using her spermatheca, the queen actually can choose to fertilize the egg she is laying, usually depending on what cell she is laying in. Drones develop from unfertilized eggs and are haploid, while females (queens and worker bees) develop from fertilized eggs and are diploid. Larvae are initially fed with royal jelly produced by worker bees, later switching to honey and pollen. The exception is a larva fed solely on royal jelly, which will develop into a queen bee. The larva undergoes several moltings before spinning a cocoon within the cell, and pupating.

2. Young worker bees clean the hive and feed the larvae. When their royal jelly producing glands begin to atrophy, they begin building comb cells. They progress to other within-colony tasks as they become older, such as receiving nectar and pollen from foragers, and guarding the hive. Later still, a worker takes her first orientation flights and finally leaves the hive and typically spends the remainder o

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f her life as a forager.

3. Worker bees cooperate to find food and use a pattern of "dancing" (known as the bee dance or waggle dance) to communicate information regarding resources with each other; this dance varies from species to species, but all living species of Apis exhibit some form of the behavior. If the resources are very close to the hive, they may also exhibit a less specific dance commonly known as the "Round Dance".

4. 4. Honey bees also perform tremble dances which recruit receiver bees to collect nectar from returning foragers.

5. Virgin queens go on mating flights away from their home colony, and mate with multiple drones before returning. The drones die in the act of mating.

6. Colonies are established not by solitary queens, as in most bees, but by groups known as "swarms", which consist of a mated queen and a large contingent of worker bees. This group moves en masse to a nest site that has been scouted by worker bees beforehand. Once they arrive, they immediately construct a new wax comb and begin to raise new worker brood. This type of nest founding is not seen in any other living bee genus, though there are several groups of Vespid wasps which also found new nests via swarming (sometimes including multiple queens). Also, stingless bees will start new nests with large numbers of worker bees, but the nest is constructed before a queen is escorted to the site, and this worker force is not a true "swarm".

The life cycle of a honeybee exists in three distinct independent stages. After hatching from egg, the bee exists initial as a larval form. Soon after the larval form, the secondary stage as pupae is reached. Finally the pupae develop into the adult bee. The adult bee may take the form of a worker, a drone, or a queen bee. It is common for worker bees to live up to nine days if their main task in life is heavy foraging. Conversely, workers that do menial tasks in the hive will survive for around three weeks. Loosing a forager from time to time does not have a crucial impact on the overall well being of the hive. A strong beehive has between ten and twenty thousand foragers at any given time. The queen also possesses the ability to replace any lost bees by laying up to 2,000 eggs a day. Developing brood, depending on the season and race of bee, can fill up to a full third of the hive (eskills.net.ph)

By . Menelo CH, Sept. 2011

 

References:

Engel, M., 1999. "The taxonomy of recent and fossil honey bees (Hymenoptera: Apidae: Apis)". Journal of Hymenoptera Research 8: 192pp.

Life Cycle (http://en.wikipedia.org/wiki/Apini)

http://eskills.net.ph/Library%20of%20Learning%20Elements/Inwent%20Courses/teilnehmer/Flordeliza%27s%20elp%20folder/honeybees_description.html

 

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Wednesday, September 21, 2011

Inhaled steroids increase diabetes risk, study suggests

Article from ScienceDaily caught my attention. I'm dependent to this drug because I have asthma. I felt gaga upon reading this article. I'm worried for my future. For sure druggist will developed new drug that's right for me hehe less complications hehe... sana enjoy reading


(Nov. 1, 2010)
— Patients taking inhaled corticosteroids are at increased risk of developing type 2 diabetes, and more so with higher doses, say researchers at the Jewish General Hospital's Lady Davis Institute for Medical Research (LDI) In Montreal. The risk is of special concern for patients suffering from chronic obstructive pulmonary disorder (COPD), and much less significant for asthmatics.

Click the link below to read the whole article

Inhaled steroids increase diabetes risk, study suggests

Monday, September 19, 2011

Online program (courses and trainings) for free!!!!

 

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Sunday, September 18, 2011

Man-Eating Mushrooms By Jef Akst

 This article of Jef Akst showed the future of embalming. 

Man-Eating Mushrooms

An artist suggests that being buried in a suit laden with decomposing fungi may be healthier for the mind and the environment.
 
Click this link below to read the whole article 

Contagion: Science Fact? by By Tia Ghose

 

Have you watched this movie ? Try to read this article by Tia Ghose you might have an idea the truth behind the cloud of sci-fi movies nowadays. Kind of close to reality or just a mere of imaginative concession of the minds of the writers of this movie.

 

Contagion: Science Fact? by By Tia Ghose

Soderbergh’s new pandemic thriller gets a lot of the science right, but does contain a few unlikely details.

An innocent cough launches a deadly pandemic in Contagion, the new thriller directed by Steven Soderbergh. Critics and scientists alike have touted the movie as a more realistic depiction of disease transmission—no movie stars turn into flesh-eating zombies, and the previously unknown disease does not kill every person it encounters. But despite some impressively realistic details, there are still parts of the movie that would be pretty unlikely in real life, several scientists say

 

Just click link below to read the whole article

Click here to read the whole article http://the-scientist.com/2011/09/16/contagion-science-fact/trackback/

Wednesday, September 14, 2011

The Beginning of the End for Bananas? By Dan Koeppel | July 22, 2011

The Beginning of the End for Bananas?

Already reeling from a 20-year losing battle with a devastating disease, the banana variety eaten in the United States is now threatened by a new—but old—enemy.

To read the whole article just click this link
http://the-scientist.com/2011/07/22/the-beginning-of-the-end-for-bananas/
http://the-scientist.com/2011/07/22/the-beginning-of-the-end-for-bananas/

Tuesday, September 13, 2011

Fluorescent Cats Aid Research By Rachel Nuwer | September 13, 2011

Tiny, adorable and…green? Glowing kittens may answer questions about neurobiology and disease.

By Rachel Nuwer | September 13, 2011

Cats come in all sorts of colors—tabby, orange, and calico—but scientists are most interested in the fluorescent variety. Eric Poeschla, a molecular virologist at the Mayo Clinic, used a technique called transgenesis to bestow kittens with a heightened immune system as well as an unearthly green glow, which allows researchers to track the expression of genes of interest.

To read the whole article just visit click this link

http://the-scientist.com/2011/09/13/fluorescent-cats-aid-research/

http://the-scientist.com/2011/09/13/fluorescent-cats-aid-research/

Friday, September 9, 2011

Octophilosophy

Octophilosophy : When it comes to studying cephalopod brains and behavior, it helps to have a philosopher around.by Katherine Bagley | August 31, 2011

 Very nice article hope you like it also 

Calling octopuses intelligent beings might seem like a stretch. After all, the eight-armed invertebrates count the everyday garden snail among their close evolutionary cousins. But octopuses are experts in camouflage, can deter predators with poisonous bites, engage in play, solve complex problems, and can squeeze themselves into tiny crevices when threatened. Such observations indicate that the octopus is without a doubt smarter than the average snail, but the nature of this intelligence remains unknown. Considering that our branches on the evolutionary tree are separated by more than half a billion years, can the intellect of an octopus bear any comparison to that of a human? City University of New York philosopher Peter Godfrey-Smith has begun a unique collaboration with a team of Australian marine scientists to examine this distinctly philosophical question using biological research.


Your concept on Invasive species will be shaken

 To all biologist, ecologist and envisci people your concept on invasive species will be shaken. 
 I found this article via scientist.com written by By Matthew K. Chew and Scott P. Carroll

Opinion: The Invasive Ideology, Biologists and conservationists are too eager to demonize non-native species. By Matthew K. Chew and Scott P. Carroll | September 7, 2011

The story is all too familiar.  An introduced landscape plant like Japanese knotweed has “escaped cultivation” and taken root elsewhere, uninvited.  A foreign insect like the emerald ash borer has mysteriously appeared and seems to be spreading inexorably.  We are earnestly warned that they are “wreaking ecological havoc” and reputedly costing someone millions or even billions of dollars.  We react as if we’re under attack, readily applying the label “invaders” to our unwitting tormentors, as if they collectively had it in for us.

Personifying and demonizing the unfamiliar may help direct our dismay, but we hardly need science for that.  When scientists focus on provoking public alarm, our science becomes blurred.  Science can help work out the ways people move organisms, and investigate why some introduced populations fail while others grow.  The demonizing reflex muddles our recommendations regarding which of these cases we can and should do something about.


 Click the link to read the whole article 

http://the-scientist.com/2011/09/07/opinion-the-invasive-ideology/trackback/

The Mosaic Pre-Man

The Mosaic Pre-Man

By Rachel Nuwer and Sabrina Richards
Newly excavated Australopithecus sediba fossils exhibit a mixture of primitive and more modern features.

This article was so interesting. I'm sharing this to you guys.

Click the link to read the full article

Tuesday, September 6, 2011