What was the first purpose-built water park?
After the World War II water slides progressively became one of the popular features in different amusement parks.
In the 1970s, George Millay, who famously founded Sea World in San Diego and later Florida, decided to build up on the idea and create a purpose-built water park that would be profitable.
He needed a warm, year-round place to have such a park to keep revenues steady. Orlando, Florida in the πΊπΈ, already hosted well-known amusement locations, enjoyed an existing tourist market, and had the weather that Millay needed.
This allowed Wet nβ Wild to be founded there as the first purpose-built water park in 1977.
The first year was financially disappointing, but Millay did not fret, and from the following year, it began to make profit.
Although the park closed in 2016, it became the blueprint for most other parks in the world.
Also in 1977, in Switzerland π¨πa water park Alpamare with some indoor facilities was opened.
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After the World War II water slides progressively became one of the popular features in different amusement parks.
In the 1970s, George Millay, who famously founded Sea World in San Diego and later Florida, decided to build up on the idea and create a purpose-built water park that would be profitable.
He needed a warm, year-round place to have such a park to keep revenues steady. Orlando, Florida in the πΊπΈ, already hosted well-known amusement locations, enjoyed an existing tourist market, and had the weather that Millay needed.
This allowed Wet nβ Wild to be founded there as the first purpose-built water park in 1977.
The first year was financially disappointing, but Millay did not fret, and from the following year, it began to make profit.
Although the park closed in 2016, it became the blueprint for most other parks in the world.
Also in 1977, in Switzerland π¨πa water park Alpamare with some indoor facilities was opened.
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What are the largest existing water parks?
Chimelong Water Park in China π¨π³, occupying the area of 182 hectares, is by far the largest outdoor water park to date. It has the largest wave pool and the longest lazy river and in some previous years was visited by more than 2,600,000 people.
The worldβs record of the largest indoor water park is held by the Tropical Islands Resort, located in the former Brand-Briesen Airfield in Halbe, Germanyπ©πͺ. The 650-hectare (1,606-acre) site was developed inside what was formerly an airship hangar known as the Aerium. It is also the fourth-largest building in the world by usable volume. Tropical Islands has a maximum capacity of 8,200 visitors a day.
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Chimelong Water Park in China π¨π³, occupying the area of 182 hectares, is by far the largest outdoor water park to date. It has the largest wave pool and the longest lazy river and in some previous years was visited by more than 2,600,000 people.
The worldβs record of the largest indoor water park is held by the Tropical Islands Resort, located in the former Brand-Briesen Airfield in Halbe, Germanyπ©πͺ. The 650-hectare (1,606-acre) site was developed inside what was formerly an airship hangar known as the Aerium. It is also the fourth-largest building in the world by usable volume. Tropical Islands has a maximum capacity of 8,200 visitors a day.
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πWhich dog breeds live longest?
In a new study, scientists analysed 30,563 records of dog deaths from veterinary practices across the UK between 2016 and 2020 using the VetCompass database. The figures were categorised into 18 dog breeds recognised by the Kennel Club and also a group of crossbreed dogs.
πΆ Jack Russell Terriers had the highest life expectancy at birth (12.72 years), followed by Yorkshire Terriers (12.54 years), Border Collies (12.10 years), and Springer Spaniels (11.92 years).
π Across all dog breeds, the average life expectancy at age 0 for male dogs was 11.1 years, four months shorter than the estimate for female dogs.
π Dogs that had been neutered had a higher life expectancy (11.98 years for females and 11.49 years for males) than those that were not neutered (10.50 years for females and 10.58 years for males).
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In a new study, scientists analysed 30,563 records of dog deaths from veterinary practices across the UK between 2016 and 2020 using the VetCompass database. The figures were categorised into 18 dog breeds recognised by the Kennel Club and also a group of crossbreed dogs.
πΆ Jack Russell Terriers had the highest life expectancy at birth (12.72 years), followed by Yorkshire Terriers (12.54 years), Border Collies (12.10 years), and Springer Spaniels (11.92 years).
π Across all dog breeds, the average life expectancy at age 0 for male dogs was 11.1 years, four months shorter than the estimate for female dogs.
π Dogs that had been neutered had a higher life expectancy (11.98 years for females and 11.49 years for males) than those that were not neutered (10.50 years for females and 10.58 years for males).
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Which dog breeds have the lowest life expectancy?
According to the above mentioned study, flat-faced breeds such as French Bulldogs and Pugs have some of the lowest life expectancies.
French Bulldogs had the lowest life expectancy at birth (4.53 years). This is approximately three years less than other flat-faced breeds that showed low life expectancies at birth including English Bulldogs (7.39 years) and Pugs (7.65 years).
The authors believe that such a short life expectancy could result from the high health risks known to occur in these flat-faced breeds.
βοΈAs far as some practical results of this research are concerned, the authors conclude their work now enables dog life expectancies to be tracked at different ages, similarly to humans, and may improve predictions for different breeds. There could also be other practical benefits such as helping dog shelters to provide accurate estimates of a dogβs remaining life expectancy during rehoming.
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According to the above mentioned study, flat-faced breeds such as French Bulldogs and Pugs have some of the lowest life expectancies.
French Bulldogs had the lowest life expectancy at birth (4.53 years). This is approximately three years less than other flat-faced breeds that showed low life expectancies at birth including English Bulldogs (7.39 years) and Pugs (7.65 years).
The authors believe that such a short life expectancy could result from the high health risks known to occur in these flat-faced breeds.
βοΈAs far as some practical results of this research are concerned, the authors conclude their work now enables dog life expectancies to be tracked at different ages, similarly to humans, and may improve predictions for different breeds. There could also be other practical benefits such as helping dog shelters to provide accurate estimates of a dogβs remaining life expectancy during rehoming.
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How could a prehistoric domestic dog look like?π€
The Muge dog is one of the oldest almost complete dog skeletons recovered from the Muge shell middens, Portugal, in the 19th century.
Using modern technologies that take into account combined anatomical, veterinary, zooarchaeological, artistic and graphic aspects, researchers managed to to reconstruct the Muge dogβs head appearance.
The importance in reconstructing the face of one of these Mesolithic dogs is its antiquity (c. 7600 years cal BP), its completeness (almost complete skeleton) and its burial context, e.g. found within a human burial ground, at a depth of 4 m. The dog skeleton was very well preserved, likely meaning that it was buried by humans with care, which is interpreted as a strong emotional bond between humans and their dogs.
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The Muge dog is one of the oldest almost complete dog skeletons recovered from the Muge shell middens, Portugal, in the 19th century.
Using modern technologies that take into account combined anatomical, veterinary, zooarchaeological, artistic and graphic aspects, researchers managed to to reconstruct the Muge dogβs head appearance.
The importance in reconstructing the face of one of these Mesolithic dogs is its antiquity (c. 7600 years cal BP), its completeness (almost complete skeleton) and its burial context, e.g. found within a human burial ground, at a depth of 4 m. The dog skeleton was very well preserved, likely meaning that it was buried by humans with care, which is interpreted as a strong emotional bond between humans and their dogs.
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How many hours of sleep are people losing because of climate change?
Danish researchers analyzed data from sleep-tracking wristbands used by 48,000 people in 68 countries between 2015 and 2017.
They then paired the sleep data with local weather data, revealing that unusually hot nights are causing people to fall asleep later, rise earlier and sleep less.
βοΈThe evidence suggests that people are losing an average of 44 hours of sleep each year.
By 2100, the researchers estimate people will lose 58 hours of sleep a year if emissions go unchecked. In a lower-emissions future, the figure drops to 50 hours.
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Danish researchers analyzed data from sleep-tracking wristbands used by 48,000 people in 68 countries between 2015 and 2017.
They then paired the sleep data with local weather data, revealing that unusually hot nights are causing people to fall asleep later, rise earlier and sleep less.
βοΈThe evidence suggests that people are losing an average of 44 hours of sleep each year.
By 2100, the researchers estimate people will lose 58 hours of sleep a year if emissions go unchecked. In a lower-emissions future, the figure drops to 50 hours.
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What is the map of the world according to population density?
Based on the data from the Gridded Population of the World collection (GPWv4) which models human population based on census reports, and the United Nation's World Population Prospects report, here is βThe Humanity Globe' - an awesome visualization showing the world according to population density.
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Based on the data from the Gridded Population of the World collection (GPWv4) which models human population based on census reports, and the United Nation's World Population Prospects report, here is βThe Humanity Globe' - an awesome visualization showing the world according to population density.
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What is βthe most widespread known clone on Earthβ?
β³οΈ A recent genetic study found that the underwater field of green seagrass that lives off Australiaβs western coast is a single organism.
β³οΈ The organism, 180 square kilometers in size, has survived by making copies, or clones, of itself for over 4,500 years.
β³οΈ According to scientists, this seagrass meadow is not only the worldβs largest plant, but also βthe most widespread known clone on Earth.β
π Although the meadow of Poseidonβs ribbon weed is very large, it faces risks. Ten years ago, the seagrass covered an area of around 18 square kilometers more than it does today. But storms and rising ocean temperatures linked to climate change have recently killed almost one tenth of the ancient seagrass bed.
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β³οΈ A recent genetic study found that the underwater field of green seagrass that lives off Australiaβs western coast is a single organism.
β³οΈ The organism, 180 square kilometers in size, has survived by making copies, or clones, of itself for over 4,500 years.
β³οΈ According to scientists, this seagrass meadow is not only the worldβs largest plant, but also βthe most widespread known clone on Earth.β
π Although the meadow of Poseidonβs ribbon weed is very large, it faces risks. Ten years ago, the seagrass covered an area of around 18 square kilometers more than it does today. But storms and rising ocean temperatures linked to climate change have recently killed almost one tenth of the ancient seagrass bed.
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Who is the worldβs oldest living land animal?
π’His name is Jonathan, and he's a Seychelles giant tortoise (Aldabrachelys gigantea hololissa).
Jonathan is estimated to have been born in 1832, which means he turned, or turns, 190 years old in 2022.
This 190-year-old tortoise is in combination the oldest tortoise ever beating the previous record of Tu'i Malila, a radiated tortoise (Astrochelys radiata) that lived to at least 188 years old before dying in 1965.
βοΈJonathan lives on St. Helena, an island in the South Atlantic Ocean, where he arrived in 1882 when he was about 50 years old.
βΌοΈA photograph of Jonathan dated between 1882 and 1886 shows him fully grown, which suggests he was at least 50 years old when it was taken, so he could be older than 190 years today.
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π’His name is Jonathan, and he's a Seychelles giant tortoise (Aldabrachelys gigantea hololissa).
Jonathan is estimated to have been born in 1832, which means he turned, or turns, 190 years old in 2022.
This 190-year-old tortoise is in combination the oldest tortoise ever beating the previous record of Tu'i Malila, a radiated tortoise (Astrochelys radiata) that lived to at least 188 years old before dying in 1965.
βοΈJonathan lives on St. Helena, an island in the South Atlantic Ocean, where he arrived in 1882 when he was about 50 years old.
βΌοΈA photograph of Jonathan dated between 1882 and 1886 shows him fully grown, which suggests he was at least 50 years old when it was taken, so he could be older than 190 years today.
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Why do π’turtles live so long?
There's an evolutionary answer and a biological answer to this question.
βοΈThe evolutionary answer is relatively straightforward: some natural enemies of turtles, like snakesπ, birdsπ¦ and raccoonsπ¦, love to eat turtle eggs. To pass on their genes, turtles have to live a long time and breed frequently, sometimes multiple times per year, laying a lot of eggs.
βοΈAs far as the biological answer is concerned, scientists consider that giant tortoises and a few other turtle species seem to be able to protect themselves from the long-term effects of cell damage. They do this by quickly killing off damaged cells, using a process called apoptosis, or programmed cell death.
βοΈIt is particularly a fact that turtles exhibit a lower rate of telomere shortening compared with shorter-lived animals. This means turtles are more resistant to certain kinds of damage that can arise from DNA-replication errors.
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There's an evolutionary answer and a biological answer to this question.
βοΈThe evolutionary answer is relatively straightforward: some natural enemies of turtles, like snakesπ, birdsπ¦ and raccoonsπ¦, love to eat turtle eggs. To pass on their genes, turtles have to live a long time and breed frequently, sometimes multiple times per year, laying a lot of eggs.
βοΈAs far as the biological answer is concerned, scientists consider that giant tortoises and a few other turtle species seem to be able to protect themselves from the long-term effects of cell damage. They do this by quickly killing off damaged cells, using a process called apoptosis, or programmed cell death.
βοΈIt is particularly a fact that turtles exhibit a lower rate of telomere shortening compared with shorter-lived animals. This means turtles are more resistant to certain kinds of damage that can arise from DNA-replication errors.
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