Wednesday, May 23, 2007

Jesus Shark!

From the San Francisco Chronicle:

A female hammerhead shark was mysteriously born at Omaha's Henry Doorly Zoo in December 2001, in a tank that held three adult, female hammerheads but no males.

Although the three females had been caught before they reached sexual maturity and held in captivity for more than three years, researchers initially thought one of them had stored sperm from a male shark before fertilizing an egg. But the team -- which included scientists at Nova Southeastern University in Florida, Queen's University Belfast and the Omaha zoo -- determined that the baby shark's genetic makeup perfectly matched one of the females in the tank, with no sign of a male parent.

Nova Southeastern's Guy Harvey Research Institute director Mahmood Shivji -- one of the paper's authors -- said he and his colleagues determined that a byproduct formed when sharks produce eggs, known as a sister polar body, had fused with an unfertilized egg to produce the baby shark, whose DNA had only half as much genetic variability as the mother.

"Yes, indeed this is a virgin birth," Shivji said in an interview.

...

Researchers have observed parthenogenesis [the ability to give birth without having sex] in certain species of birds, reptiles, amphibians and bony fishes, but the new finding suggests that vertebrates' ability to reproduce without sex evolved much earlier than scientists had thought.

Clever girl! Why did it take 6 years to confirm this event of parthenogenesis, even though 79% of Americans insist that certain human beings can do it?

25 comments:

宇韩 said...

wow gold
wow gold
eve isk
wow power leveling
wow power leveling
wow power leveling
wow power leveling
warhammer gold
warhammer power leveling
bestchina traveland
uggsor
ghd straighteners

Cardi Ugg Boots
Classic Short Ugg Boots

Classic Tall Ugg Boots
Metallic Ugg Boots

Mini Ugg Boots
Sundance Ugg Boots

tiffany Jewelry

宇韩 said...

wow gold
wow gold
eve isk
wow power leveling
wow power leveling
wow power leveling
wow power leveling
warhammer gold
warhammer power leveling
bestchina traveland
uggsor
ghd straighteners

Cardi Ugg Boots
Classic Short Ugg Boots

Classic Tall Ugg Boots
Metallic Ugg Boots

Mini Ugg Boots
Sundance Ugg Boots

tiffany Jewelry

Anonymous said...

Do you like playing the game where you need to use wonderland Gold, when you do not have wonderland online Gold, you must borrow wonderland money from friends, or you buy wonderland Gold. If you get cheap wonderland online Gold, you can continue this game.
Do you like playing the game where you need to use flyff penya, when you do not have flyff money, you must borrow flyff gold from friends, or you buy flyff penya. If you get cheap penya, you can continue this game.

Anonymous said...

酒店喝酒,禮服店,酒店小姐,酒店領檯,便服店,鋼琴酒吧,酒店兼職,酒店兼差,酒店打工,伴唱小姐,暑假打工,酒店上班,酒店兼職,ktv酒店,酒店,酒店公關,酒店兼差,酒店上班,酒店打工,禮服酒店,禮服店,酒店小姐,酒店兼差,暑假打工,酒店經紀,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店兼差,暑假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,酒店小姐,台北酒店,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,酒店小姐,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,禮服店 ,酒店小姐,酒店經紀,酒店兼差,寒假打工,酒店小姐,禮服店 ,酒店小姐,酒店經紀,酒店兼差,暑假打工,酒店小姐,酒店傳播,酒店經紀人,酒店,酒店,酒店,酒店 ,禮服店 , 酒店小姐,酒店經紀,酒店兼差,暑假打工,招待所,酒店小姐,酒店兼差,寒假打工,酒店上班,暑假打工,酒店公關,酒店兼職,禮服店 , 酒店小姐 ,酒店經紀 ,酒店兼差,暑假打工,酒店,酒店,酒店經紀,酒店領檯 ,禮服店 ,酒店小姐 ,酒店經紀 ,酒店兼差,暑假打工, 酒店上班,禮服店 ,酒店小姐 ,酒店經紀 ,酒店兼差,暑假打工, 酒店上班,禮服店 ,酒店小姐 ,酒店經紀 ,酒店兼差,暑假打工, 酒店上班,酒店經紀

dofus gold said...

Now do you worried about that in the game do not had enough cabal online alz to play the game, now you can not worried, my friend told me a website, in here you can buy a lot cabal alz and only spend a little money, do not hesitate, it was really, in here we had much cabal gold, we can sure that you will get the cabal money, quick to come here to buy cabal alz.

I like play online game, I also buy dofus kamas and kamas, the cheap kamas is very cheap, and use the dofus gold can buy many things, I like dofus kamas, thanks, it is very good.

酒店上班請找艾葳 said...

艾葳酒店經紀公司提供專業的酒店經紀, 酒店上班小姐,八大行業,酒店兼職,傳播妹,或者想要打工兼差打工,兼差,八大行業,酒店兼職,想去酒店上班, 日式酒店,制服酒店,ktv酒店,禮服店,整天穿得水水漂漂的,還是想去制服店日領上班小姐,水水們如果想要擁有打工工作、晚上兼差工作兼差打工假日兼職兼職工作酒店兼差兼差打工兼差日領工作晚上兼差工作酒店工作酒店上班酒店打工兼職兼差兼差工作酒店上班等,想了解酒店相關工作特種行業內容,想兼職工作日領假日兼職兼差打工、或晚班兼職想擁有鋼琴酒吧又有保障的工作嗎???又可以現領請找專業又有保障的艾葳酒店經紀公司!

艾葳酒店經紀是合法的公司工作環境高雅時尚,無業績壓力,無脫秀無喝酒壓力,高層次會員制客源,工作輕鬆,可日領現領
一般的酒店經紀只會在水水們第一次上班和領薪水時出現而已,對水水們的上班安全一點保障都沒有!艾葳酒店經紀公司的水水們上班時全程媽咪作陪,不需擔心!只提供最優質的酒店上班,酒店上班,酒店打工環境、上班條件給水水們。心動嗎!? 趕快來填寫你的酒店上班履歷表

水水們妳有缺現領、有兼職缺錢便服店的煩腦嗎?想到日本留學缺錢嗎?妳是傳播妹??想要擁有高時薪又輕鬆的賺錢,酒店和,假日打工,假日兼職賺錢的機會嗎??想實現夢想卻又缺錢沒錢嗎!??
艾葳酒店台北酒店經紀招兵買馬!!徵專業的酒店打工,想要去酒店的水水,想要短期日領,酒店日領,禮服酒店,制服店,酒店經紀,ktv酒店,便服店,酒店工作,禮服店,酒店小姐,酒店經紀人,
等相關服務 幫您快速的實現您的夢想~!!

Adi said...

Find Internet Marketing resource hare Online Marketing Strategy | Internet Marketing Tools | Online Marketing Campaign | Online Marketing Business | Online Marketing System | Online Business | Online Home Business | Online Business Tips | Internet Marketing Online

Adi said...

Oes Tsetnoc one of the ways in which we can learn seo besides Mengembalikan Jati Diri Bangsa. By participating in the Oes Tsetnoc or Mengembalikan Jati Diri Bangsa we can improve our seo skills. To find more information about Oest Tsetnoc please visit my Oes Tsetnoc pages. And to find more information about Mengembalikan Jati Diri Bangsa please visit my Mengembalikan Jati Diri Bangsa pages. Thank you So much.
Oes Tsetnoc | Semangat Mengembalikan Jati Diri Bangsa

Anonymous said...

Fitness Logos | Computers Logo | Transport Logo

Anonymous said...

Charity Logos | Clothing Logo

aa said...

live119|live119論壇|
潤滑液|內衣|性感內衣|自慰器|
自慰套|情趣內衣|
G點|性感丁字褲|吊帶襪|
煙火批發|煙火|情趣用品|SM|充氣娃娃|AV|情趣|
衣蝶|丁字褲|無線跳蛋|性感睡衣|
按摩棒|電動按摩棒|飛機杯|自慰套|
角色扮演|跳蛋|情趣跳蛋|

ally said...

It is very stylish and sleek. In the casual attire category tracksuits and tank tops rule for men. The most popular t-shirts this season would be the ones with funny sayings on them.cheap abercrombie fitch clothingdiscount abercrombie fitch T-shirtsdiscount abercrombie and fitch hoodiesabercrombie fitch outletwholesale abercrombie fitched hardy wholesale
cheap ed hardy wholesalediscount ed hardy wholesale
wholesale ed hardyed hardy outletdiscount abercrombie and fitch outletdiscount abercrombie outletdiscount abercrombie clothingdiscount abercrombie jacketdiscount abercrombie shirtdiscount abercrombie and fitch outletdiscount bercrombie and fitch clothesdiscount abercrombie and fitch hoodiediscount abercrombie and fitch shirtsdiscount abercrombie fitch jacketBesides, the urban trend, vintage clothing will also rule this season. This includes tight jeans and leather jackets and embroidered clothing.This season it seems like we are going to have a handful to choose from because the trend is a nice mix match of clothes from different seasons. So go ahead flaunt your style your own way.

ally said...

Apart from these military fashion tops and ripped and torn jeans are also hip and happening this season.2010 fashion trends for men would be dominated this season by denim. By denim we don't need to just stick to jeans but also sport denim jackets and casual pants as well. wholesale LV handbagsdiscount moncler jacketsmoncler coatsmonclermoncler vestmoncler outletmoncler t-shirtmoncler jacketsmonclernew moncler coatsmoncler vestmoncler outletmoncler polo t-shirtCoach handbags outletCheap Coach handbag 2010Discount Coach hand bagAuthentic Coach handbagNewest Coach handbags outletLouis Vuitton handbagsLV handbags 2010Discount LV handbagsCheap Louis Vuitton Outletnewest Louis Vuitton handbagscheap rain weardiscount rainweardog rain jacketscolorful rain bootsrainboots outletCheap Ture Religion Jeans outletDiesel JeansLevis JeansWholesale Ed Hardy JeansDiscount Dior Jeans outlet Jerseys and sneakers are never out of fashion. It is very urban and very hip hop.ust as leather is in trend for women it is also true for men. Leather jackets are a must in the wardrobe this season.

janewangleilei said...

You can have a look at it.
jordan shoes
Wow.
newest jordans
jordan 7
Wonderful!
air yeezy
jordan true flight
If you like,you can contact us.
jordan 3
jordan 4
We offer different styles.
jordan 1
jordan 2
Thanks.
jordan 5
jordan ajf shoes
There are cheap shoes to choose
nike footwear
jordan flight 45
Good quality with low price.
air jordan 2010
Air Jordan 2009
Enjoy it!
jumpman
nike trainers

raoliming2 said...

louis vuitton
replica handbags
Handbags
balenciaga replica handbags
chanel replica handbags
chloe replica handbags
fendi replica handbags
gucci replica handbags
hermes replica handbags
louis vuitton replica handbags
miumiu replica handbags
prada replica handbags
ysl replica handbags
chanel replica handbags
gucci replica handbags
louis vuitton replica handbags
balenciaga replica handbags
chanel replica handbags
chloe replica handbags
fendi replica handbags
gucci replica handbags
hermes replica handbags
louis vuitton replica handbags
miumiu replica handbags
prada replica handbags
ysl replica handbags
replica handbags
replica handbags
fake designer handbags
discount replica handbags
replica handbags
replica handbags
replica handbags
designer replica handbags
replica handbags
replica handbags
replica handbags
fake replica handbags
fake replica handbags
replica handbags
replica handbags

shoppingugg said...

Did you know that you could find the best Coach Outlet for the lowest prices right on the Internet? Some Internet shops that sell Coach Poppy have the hottest and the latest styles that Coach Madison has to offer. You can get Coach Legacy for a fraction of what you would pay in-stores by shopping online.


The Bentley GT are sold at very high prices which are unaffordable for most ordinary people. However, there are still numerous fashionistas who are attractive by the distinctive design. The emergence of Breitling Avenger watches gives Chrono Superocean a chance to realize the desirable dream of designer experience. An Chronomat B01 timepiece may cost you thousands of dollars while the imitation just needs several hundreds.

Anonymous said...

louis vuitton wallets is a classic silhouette in style for years to celebrities, going well with everything, from jeans to dresses. Meanwhile, it is function. louis vuitton wallet is lightweight, supple, strong and sturdy. Completely waterproof, louis vuitton replica handbags is highly resistant to surface scratches- prefect for travel and contemporary lifestyles.

Anonymous said...

To be a good charitable being is to have a make of openness to the far-out, an skill to trust uncertain things beyond your own manage, that can take you to be shattered in very exceptional circumstances pro which you were not to blame. That says something uncommonly impressive with the fettle of the righteous compulsion: that it is based on a trustworthiness in the fitful and on a willingness to be exposed; it's based on being more like a spy than like a sparkler, something rather feeble, but whose acutely item beauty is inseparable from that fragility.

Anonymous said...

Advice in old age is foolish; for what can be more absurd than to increase our provisions for the road the nearer we approach to our journey's end.
[url=http://accutro6112.livejournal.com/]Watches[/url]
Watches

office said...

Realizing he might have dug himself in there,Microsoft Office 2010the general emphasized that Office 2010he had spent some time as a junior Office 2007officer working "very closely Microsoft Officewith the Israeli air force" and that heMicrosoft Office 2007had found that "more cosmopolitan,Office 2007 key liberal version of the Israeli population" Office 2007 downloadto be just chock full Office 2007 Professionalof that sort of "goodwill" necessary Windows 7to give a bunch of land back Microsoft outlook 2010to the Palestinians.

admin said...

I just wanted to tell you how much I enjoyed your blog.
I enjoy your blog and like yourself I’m currently 21, a college student, and quickly looking to develop myself on the web.
I currently work at my university as the web design and developer and personally I’m developing my own website.
I’m impressed with what you’ve done so far and hope to see more of your work in the future.
-------------------------------------------------------------------------------------------------------------------
College Football Lanyards | Adrenal Fatique | Waste Oil Furnace | Folding Glass Room Dividers | Liquid Turf Fertilizer | Waste Oil Furnace Prices | Bedspreads Coverlets | Folding Glass Room Dividers

Anonymous said...

You actually make it appear so easy with your presentation
but I to find this matter to be actually something that I feel I'd by no means understand. It sort of feels too complex and extremely broad for me. I am having a look ahead on your subsequent put up, I'll try to get the cling of it!
Feel free to visit my web site - play slot machines for money

Anonymous said...

Hi there it's me, I am also visiting this site on a regular basis, this website is actually nice and the visitors are truly sharing nice thoughts.
Here is my webpage free online games casino slots no download

Anonymous said...

It is not my first time to visit this web site,
i am visiting this website dailly and take good information from here
everyday.
Also visit my webpage ... slots for real money

Anonymous said...

Heya! I just wanted to ask if you ever have any issues with hackers?
My last blog (wordpress) was hacked and I ended up losing many months of hard work due to no data
backup. Do you have any solutions to prevent hackers?
My web site ... Online Slots For Cash