Primordial follicles, which consist of a primary oocyte surrounded by a single layer of flattened cells, develop in the fetus and are the stage that is present in the ovaries at birth and throughout childhood.īeginning at puberty, follicle-stimulating hormone stimulates changes in the primordial follicles. At the same time that the oocyte is progressing through meiosis, corresponding changes are taking place in the follicular cells. Ovarian Follicle DevelopmentĪn ovarian follicle consists of a developing oocyte surrounded by one or more layers of cells called follicular cells. The other three cells are polar bodies and they degenerate. In oogenesis, only one functional fertilizable cell develops from a primary oocyte. In spermatogenesis, four functional sperm develop from each primary spermatocyte. Here again there are obvious differences between the male and female. If fertilization does not occur, the second meiotic division is never completed and the secondary oocyte degenerates. The first polar body also usually divides in meiosis I to produce two even smaller polar bodies. The smaller cell from this division is a second polar body. Again this is an unequal division with all of the cytoplasm going to the ovum, which has 23 single-stranded chromosome. If fertilization occurs, meiosis II continues. The secondary oocyte begins the second meiotic division, but the process stops in metaphase. The remaining half of the chromosomes go to a smaller cell called the first polar body. The large cell undergoes an unequal division so that nearly all the cytoplasm, organelles, and half the chromosomes go to one cell, which becomes a secondary oocyte. One of the primary oocytes seems to outgrow the others and it resumes meiosis I. By puberty the number of primary oocytes has further declined to about 400,000.īeginning at puberty, under the influence of follicle-stimulating hormone, several primary oocytes start to grow again each month. This is quite different than the male in which spermatogonia and primary spermatocytes continue to be produced throughout the reproductive lifetime. This is the lifetime supply, and no more will develop. Many of the primary oocytes degenerate before birth, but even with this decline, the two ovaries together contain approximately 700,000 oocytes at birth. The diploid (46 chromosomes) primary oocytes replicate their DNA and begin the first meiotic division, but the process stops in prophase and the cells remain in this suspended state until puberty. Oogonia then enter a growth phase, enlarge, and become primary oocytes. These divide rapidly to form thousands of cells, still called oogonia, which have a full complement of 46 (23 pairs) chromosomes. Early in fetal development, primitive germ cells in the ovaries differentiate into oogonia. The sequence of events in oogenesis is similar to the sequence in spermatogenesis, but the timing and final result are different. Oogenesisįemale sex cells, or gametes, develop in the ovaries by a form of meiosis called oogenesis. The medulla is a loose connective tissue with abundant blood vessels, lymphatic vessels, and nerve fibers. Each of the follicles contains an oocyte, a female germ cell. The cortex appears more dense and granular due to the presence of numerous ovarian follicles in various stages of development. The substance of the ovaries is distinctly divided into an outer cortex and an inner medulla. Underneath this layer is a dense connective tissue capsule, the tunica albuginea. This is actually the visceral peritoneum that envelops the ovaries. The ovaries are covered on the outside by a layer of simple cuboidal epithelium called germinal (ovarian) epithelium. They are held loosely in place by peritoneal ligaments. The ovaries are located in shallow depressions, called ovarian fossae, one on each side of the uterus, in the lateral walls of the pelvic cavity. Each ovary is a solid, ovoid structure about the size and shape of an almond, about 3.5 cm in length, 2 cm wide, and 1 cm thick. The primary female reproductive organs, or gonads, are the two ovaries.
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Reason: with the images darting across at ultra slow speeds, you're less likely to notice jerky movements of the camera, he says. "The more light, the better," says Gruchy, because slow motion needs more illumination to show the world at a slower speed.Ī tripod isn't necessary for cool slow-mo videos, unlike for time lapse, where a tripod is a necessity, says Gruchy. The pair's tips for making great slow-motion video on smartphones - do it in an area with lots of light. (By comparison, Slow-mo on the iPhone can do 240 frames per second, and the new Samsung Galaxy S9 phone, which has been touting its slow mo in ads, does 960 frames per second.) The reason the Slow Mo video looks so incredible can be attributed to Gruch's super high end Vision Research Phantom high-speed cameras, which can shoot over 343,000 frames per second. This is the same home where in February, a fan was shot dead after breaking into Free's home. Gruchy, who lives in England, has flown over three times a year to film multiple shows in Texas. The previous videos were filmed in the backyard of Free's Austin, Texas home, which he shares with fellow YouTuber Megan Turney. Super Slow features guest stars like skateboarder Tony Hawk and the Big Bang Theory's Mayim Bialik and was filmed in the California desert, where Free says the pair were allowed to do "huge dream projects," like head on car crashes and dropping an entire room in slow motion from a crane. Second Channel Video - Falling into a Pool for an Hour. They've already garnered 100 million views for them. 14.7M subscribers Subscribe 253K 4.8M views 1 year ago Gav shows you the tranquil results of stretching every second to be an hour long. The shows debut in January, with 48 episodes posted to a new section of the Slow Mo Guys channel on YouTube. The new show, part of the YouTube Originals lineup of higher-end, ad-supported programs, featuring the likes of comedian Kevin Hart and Ellen Degeneres. "And that's fascinating to lots of people."Īfter the success of the online series, YouTube in 2017 offered them the chance to dramatically up the budget and hire a crew to work with them on " The Super Slow Show," T-shirts, posters, stickers, home decor, and more, designed and sold by independent artists around. "We show stuff everyone can relate to, something they've seen 1,000 times before, but we're showing it slow, in a completly different way," says Free. High quality Slow Mo Guys-inspired gifts and merchandise. The interview begins with the obvious question - why is watching slow motion on their channel so enjoyable? The duo have reaped over 1.4 billion views for their silly videos of stunts slowed down to levels not usually seen. And that's how an interview ends with Gav and Dan, the YouTube sensations known as the Slow Mo Guys. Reaching everyone from the construction industry professional and tradesman to the serious DIYer, Pro Tool Reviews helps tool consumers shop better, work smarter, and stay aware of what tools and products can help put them at the top of their game. Pro Tool Reviews critically reviews hundreds of hand tools, power tools, and accessories each year to help inform users about the best and newest products in the industry. He also heads up the Pro Tool Innovation Awards, an annual awards program honoring innovative tools and accessories across the trades.Ĭrediting God and his excellent staff for the success of what is now the largest power tool review publication in the industry, Clint DeBoer hopes to see continued growth for the company as it rapidly expands its reach. In 2008, Clint founded Pro Tool Reviews followed by the landscape and outdoor power equipment-focused OPE Reviews in 2017. publishing company in 1996, he went on to help start or grow several successful online publications, including Audioholics (as Editor-in-Chief for 12 years), Audiogurus, and AV Gadgets. He also carries several THX certifications (Technician I and II, THX Video), and is ISF Level II Certified.Īfter founding the CD Media, Inc. Working for such clients as Universal Pictures, Hollywood Pictures, Paramount Home Entertainment, NASA, Universal Studios, Planet Hollywood, SEGA, NASCAR, and others, Clint DeBoer dealt extensively with client management as well as film & video editing, color correction, and digital video & MPEG compression. Years later, he moved into the expanding area of video editing, where he served as the company’s senior AVID video editor for three years. 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More than just fiddling with the brine shrimp, von Braunhut and D’Agostino also developed a two-step system to ensure the best possible habitat for the creatures once they arrived at the customer’s doorstep. Working at Montauk’s New York Ocean Science Laboratory, they eventually named their hybrid Artemia NYOS. Anthony D’Agostino, a marine biologist, to produce a resilient, hybrid shrimp that could withstand the rigors of the 20th century mail order marketplace. To get around such issues on his own product, von Braunhut enlisted the aid of one Dr. However, due to their inability to produce a sufficient number of the eggs to make the product commercially viable, combined with issues with quality control (many of the eggs never hatched), they ended up having to stop producing the novelty pet item. For their product, Wham-O simply sold packets of mud that contained some of these eggs. If the lake or river then dries out, the eggs are able to survive and stay dormant until the following rainy season when the water is restored. These particular creatures lay their eggs in the mud of rivers and lakes. Not alone, at about this same time Wham-O floated a comparable product using African killifish, which they called Instant Fish. After witnessing the success of the ant farms marketed by Milton Levine, von Braunhut came up with the idea for selling brine shrimp in a similar pet kit, which he initially marketed as Instant Life. This brings us to 1957 and a man named Harold von Braunhut, who throughout his lifetime invented such famous novelty items as X-ray glasses, Crazy Crabs, and Invisible Goldfish (guaranteed to never appear in the fish bowl that came with the kit- incidentally, never, ever put goldfish in a little fish bowl). Remarkably, when the eggs are in this metabolically inactive state, in certain conditions the eggs can survive temperatures as low as just 83☌ above absolute zero and temperatures slightly above the boiling point of water at sea level. When female brine shrimp produce eggs (viable specimens of which can be produced asexually or sexually), if unfavorable conditions are present, the eggs are produced with a special coating and remain in a form of stasis until conditions are right for hatching. Found across the globe in saltwater lakes (but not oceans), they prefer habitats of high salinity in order to protect them from predators.Īs saltwater lakes tend to dry up from time-to-time, brine shrimp have adapted a technique of going into a kind of hibernation, called anhydrobiosis, where the creature’s metabolic processes stop once it becomes desiccated. The product of a collaboration between a marketer and inventor and a marine biologist, Sea-Monkeys are a hybrid of several species of brine shrimp ( Artemia), bred to have a particularly long dormant period, as well as to foster a large swarm.īrine shrimp have existed in much the same state for many millions of years. asks: What exactly were sea monkey creatures and how did they survive in their packaging for so long? At this peaceful spot we contemplated all that we’d seen that day as the sun set over the Minas Basin. We continued our drive to Evangeline beach where the low tide exposed the mud flats, creating a shimmering mirror of shallow water. Published in 1847, the poem tells of the young Acadian girl, separated from her betrothed who spent years searching for him. Near the church is a statue of Evangeline, the heroine of the epic poem by Longfellow, Evangeline: A Tale of Acadie. Read more about the Acadian people in my article: Discovering Acadian culture in Nova Scotia, Canada The statue of Evangeline It was created in 1922 as a monument to the Acadians and is surrounded by apple orchards. The visitor centre was closed when we passed by, but we were able to see the pretty church of Saint-Charles-des-Mines. This site commemorates the terrible upheaval of the Grand Derangement, creating a focus for Acadians from all over the world to discover their roots. If you are visiting other provinces in the Maritimes, here are the best places to visit in New Brunswick and Prince Edward Island. Many refused to take an oath of allegiance to the British government and suffered deportation between 17. To help plan your trip to this beautiful province during the summer or fall, we’ve compiled a list of the 19 best places to visit and things to do in Nova Scotia. Īt the visitor and interpretive centre you can find out more about the history of the Acadians. We really enjoyed the walking tour of Lunenburg which gave us so many stories and insights into the town’s history – you can book the same tour with Lunenburg walking tours here. It now stands in its full glory, surrounded by a village green. Despite the devastation, the church was faithfully restored in a 4 year rebuilding project that cost over $6 million CAD. Adventure seekers can also witness a range of unique coastal rock formations from. St John’s Anglican church was one of the stops, a Lunenburg landmark that had been virtually destroyed in a fire in 2001. Golfing, biking, camping and boating are just some of the activities on offer. The traditional colour was black and white, since these paint colours were easily available in the shipyards. Our guide Ashlee from Lunenburg Walking Tours, an eighth generation Lunenburger, told us that the fashion for the more vibrant coloured houses is quite recent. These original cottages, now renovated and painted are very much sought after. Walking through the oldest part of town, we passed the modest cabins built by German settlers on an ordered grid system. Old houses in Lunenburg Nova Scotia The colourful houses of Lunenburg There’s no question the hardest part about your visit to Nova Scotia is deciding what to do next. SA is also where Texas chains Taco Cabana, Church’s Chicken, and Bill Miller Bar-B-Q began. 35) ties for the second-highest number of Fasties Award-winning brands. 20) scored well, thanks to their high-quality eats. 9), has the second-highest average consumer rating for fast-food establishments and third-best Quality rank overall. Southern cities may be slow-paced, but they love their fast food.ĭespite having fewer fast-food joints, McLovin’ McAllen, Texas (No. Jack in the Box originated here, too, and there are plenty of other drive-thru taco shops in the city to choose from. San Diego: Vegan fast food lovers, rejoice! Plant Power Fast Food and Evolution Fast Food both started in San Diego.Huntington Beach: Surf City USA is full of national favorites, as well as Cali-based Farmer Boys, The Habit Burger Grill, and Wienerschnitzel.San Francisco: Mel’s Drive-In began in 1947 as a carhop diner and became popular thanks to the film “American Graffiti.” Pull up a stool at Beep’s Burgers, another beloved drive-in specializing in burgers.West Coast cities fared well overall, with only Spokane, Washington, ranking in the bottom 25. Even Gordon Ramsay can’t help but indulge in high-quality, Animal Style eats. 10) sizzling to the top.Ĭali-founded chains - McDonald’s, In-N-Out, Taco Bell, Carl’s Jr., and Jack in the Box - cook up many fast food favorites. Over 30 Golden State cities landed in the better half of our ranking, with San Francisco (No. You can get a quick croqueta at their SW 26th Street drive-thru.Ĭalifornia is a beacon for commuters and road-trippers, so it isn’t surprising that the state is full of drive-thrus. Magic City loves grabbing Cuban cuisine at Islas Canarias. Miami: Burger King actually began in 1953 as Insta-Burger King in Jacksonville, but today the chain’s headquarters is located in Miami. This is the place that we always take visiting friends and family - from the waitstaff all the way to the owner, folks are always making sure that.Beefy King is another local favorite, with one drive-thru location serving up legendary roast beef sandwiches and tater tots since 1968. They now have 14 locations throughout the state, with more on the way. Orlando: 4 Rivers Smokehouse is a family-owned chain that started just outside of Orlando in Winter Park.See how each city fared in our ranking: Overall Rank (1=Best) Eatin’ Good in (and Outside of) the Neighborhood.16) with the help of our ranking below, followed by some highlights, lowlights, and expert tips. Have it your way on National Fast Food Day (Nov. We also considered affordability and quality, including Thrillist’s Fasties Awards. We looked for cities with access to plenty of fast-food establishments. cities to rank 2023’s Best Cities for Fast Food Lovers. LawnStarter compared the 200 biggest U.S. From the drive-in to the drive-thru, America loves finger-lickin’ good fast food.īut which cities are best for satisfying on-the-go hunger (or on-the-couch cravings)? *Indicated National Immunisation Program vaccine. Whooping cough vaccines only come as a combination vaccine that also protects against other diseases such as diphtheria and tetanus. How to get vaccinated against whooping cough anaphylaxis after any component of a pertussis-containing vaccine.anaphylaxis after a previous dose of any pertussis-containing vaccine.Pertussis vaccines should not be given to people who have had: This is if they did not receive the vaccines in childhood and it is recommended to receive the vaccine. pregnant women (ideally between 20-32 weeks)Įligible people under 20 years old and refugees and other humanitarian entrants of any age can get a free catch-up vaccination.adolescents aged 12-13 years through school-based vaccination programs.children aged 2 months, 4 months, 6 months, 18 months and 4 years.The whooping cough combination vaccine is free under the National Immunisation Program for: vaccination of people who have missed doses of pertussis-containing vaccine.women who are pregnant or breastfeeding.routine booster vaccination in adults, including those in special risk groups or in contact with a special risk group, such as.routine vaccination in infants, children and adolescents.The Australian Immunisation Handbook recommends whooping cough vaccination for specific groups including: Who should get vaccinated against whooping coughĪnyone who wants to protect themselves against whooping cough can talk to their doctor about getting immunised. It is given as a combination vaccine that protects against other diseases. Vaccination is a safe and effective way to protect you from serious disease caused by whooping cough. It is especially serious for babies, but can affect people at any age. It can lead to pneumonia, brain damage and sometimes death. Whooping cough (also known as pertussis) is a serious disease of the airways. BASIC 5.x removed the ability to crunch program lines. WEND loops, dynamic string allocation, and several other features. The final major release of BASIC-80 was version 5.x, which appeared in 1981 and added support for 40-character variable names, WHILE. It was also ported to the 16-bit BASIC-86 ( This new 40-bit format became the most common as it was used on most 6502-based machines of the era. The 6502 had somewhat less denseĪssembler code and expanded in size to just under 8K for the single precision version, or 9K for a version using an intermediate 40-bit floating point format in place of the original 32-bit version. The extended 8 KB version was then generalized into BASIC-80 (8080/85,Ħ502-BASIC. Numeric variables now had three basic types, % denoted 16-bit integers, # denoted 64-bit doubles, and ! denoted 32-bit singles, but this was the default format so the ! is rarely seen in programs. ELSE structures, user defined functions, more advanced program editing commands, and descriptive error messages as opposed to error numbers. Later on, Microsoft released the 12K Extended BASIC, which included double precision 64-bit variables, IF. String variables were denoted with a $ suffix, which remained in later versions of the language. Variable names consisted of one letter (A–Z) or one letter followed by one digit (0–9), thus allowing up to 286 numeric variables.įor machines with more memory, the 8 KB version added 31 additional statements and support for string variables and their related operations like MID$ and There were no string variables in 4K BASIC and single-precision 32-bit floating point was the only numeric type supported. LIST, NEW, PRINT, INPUT, IF.THEN, FOR.NEXT, SQR, RND, SIN, LET, USR, DATA, READ, REM, CLEAR, STOP, TAB, RESTORE, ABS, END, INT, RETURN, STEP, GOTO, and GOSUB. The following functions and statements were available: Paper tape and in its original version took 4 The first versions supported integer math only, butįloating-point arithmetic was possible, and wrote a library which became the Microsoft Windows platforms in its most recent incarnation,Ī kit-build Altair 8800 computer with the popular Model 33 ASR (Automatic Send and Receive) Teletype as terminal, paper tape reader, and paper tape punch.Īltair BASIC interpreter was developed by Microsoft founders Visual Basic reboosted its popularity and it remains in wide use on Macintosh, BASIC was no longer as widely used, although it retained a strong following. Slight variations to add support for machine-specific functions, especially graphics, led to a profusion of related designs likeĪs the early home computers gave way to newer designs like the Home computer craze during the late-1970s and early-1980s, BASIC was ported to and supplied with many home computer designs. High-level programming language available for the It first appeared in 1975 asĪltair BASIC, which was the first version ofīASIC published by Microsoft as well as the first Microsoft company and evolved into a line of |
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