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UNIQUE_STORY_INDEX
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5,881
5881
31
2
0
Blank Park Zoo is a landscaped 22 acres zoological park on the south side.
22
5,882
5882
93
3
0
The Iowa Primate Learning Sanctuary was established as a scientific research facility with a 230 acres campus housing bonobos and orangutans for the noninvasive interdisciplinary study of their cognitive and communicative capabilities.
230
5,883
5883
106
3
0
Living History Farms in suburban Urbandale tells the story of Midwestern agriculture and rural life in an 500 acres open-air museum with interpreters dressed in period costume who recreate the daily routines of early Iowans.
500
5,884
5884
45
2
0
The nearest Amtrak station is Osceola, about 40 miles south of Des Moines, with no connecting Amtrak Thruway Motorcoach.
40
5,885
5885
13
2
0
The city has 45 miles of trails.
45
5,886
5886
35
1
0
Upon completion, it will feature a 1 miles recreational trail connecting the east and west sides of downtown via two pedestrian bridges.
1
5,887
5887
25
3
0
Gray's Lake, part of the 167 acres of Gray's Lake Park, features a boat rental facility, fishing pier, floating boardwalks, and a park resource center.
167
5,888
5888
77
1
0
Located just south of the downtown, the centerpiece of the park is a lighted 1 miles Kruidenier Trail, encircling it entirely.
1
5,889
5889
127
2
0
From downtown Des Moines primarily along the east bank of the Des Moines River, the Neil Smith and John Pat Dorrian Trails are 28 miles paved recreational trails that connect Gray's Lake northward to the east shore of Saylorville Lake, Big Creek State Park, and the recreational trails of Ankeny including the High Trest...
28
5,890
5890
48
4
0
Although outside of Des Moines, Jester Park has 1834 acres of land along the western shore of Saylorville Lake and can be reached from the Neil Smith Trail over the Saylorville Dam.
1,834
5,891
5891
33
4
0
Just west of Gray's Lake are the 1500 acres of the Des Moines Water Works Park.
1,500
5,892
5892
70
2
0
Also originating from Water Works Park, the Great Western Trail is an 18 miles journey southward from Des Moines to Martensdale through the Willow Creek Golf Course, Orilla, and Cumming.
18
5,893
5893
137
3
0
Returning to Coniston in September, they finally got Bluebird up to 170 mph after further trials, only to suffer a structural failure at 170 mph which wrecked the boat.
170
5,894
5894
47
3
0
Sayers raised the record the following year to 178 mph in Slo-Mo-Shun IV.
178
5,895
5895
111
3
0
He had commissioned the world's first purpose-built turbojet Hydroplane, Crusader, with a target speed of over 200 mph , and began trials on Loch Ness in autumn 1952.
200
5,896
5896
25
3
0
It had a design speed of 250 mph and remained the only successful jet-boat in the world until the late 1960s.
250
5,897
5897
92
3
0
The first of these marks was set at Ullswater on 23 July 1955, where he achieved a speed of 202 mph but only after many months of trials and a major redesign of Bluebird's forward sponson attachments points.
202
5,898
5898
141
3
0
Campbell achieved a steady series of subsequent speed-record increases with the boat during the rest of the decade, beginning with a mark of 216 mph in 1955 on Lake Mead in Nevada.
216
5,900
5900
124
3
0
The following year, the serious planning was under way — to build a car to break the land speed record, which then stood at 394 mph set by John Cobb in 1947.
394
5,901
5901
55
3
0
The Norris brothers designed Bluebird-Proteus CN7 with 500 mph in mind.
500
5,903
5903
47
2
0
He felt the Bonneville course was too short at 11 miles and the salt surface was in poor condition.
11
5,904
5904
102
2
0
It hadn't rained there for nine years and the vast dry bed of the salt lake offered a course of up to 20 miles .
20
5,905
5905
125
3
0
To make matters worse for Campbell, American Craig Breedlove drove his pure thrust jet car "Spirit of America" to a speed of 407 mph at Bonneville in July 1963.
407
5,906
5906
177
3
0
On the 17th of that month, he took advantage of a break in the weather and made two courageous runs along the shortened and still damp track, posting a new land speed record of 403 mph .
403
5,908
5908
159
3
0
After more delays, he finally achieved his seventh water speed record at Lake Dumbleyung near Perth, Western Australia, on the last day of 1964, at a speed of 276 mph .
276
5,909
5909
11
3
0
Campbell's 429 mph speed on his final Lake Eyre run remained the highest speed achieved by a wheel-driven car until 2001; Bluebird CN7 is now on display at the National Motor Museum at Beaulieu in Hampshire, England, its potential only partly realised.
429
5,910
5910
76
3
0
His vision was of a supersonic rocket car with a potential maximum speed of 840 mph .
840
5,913
5913
25
3
0
This time the target was 300 mph . ''
300
5,915
5915
72
3
0
By the middle of December, some high-speed runs were made, in excess of 250 mph but still well below Campbell's existing record.
250
5,916
5916
108
2
0
Clouds of spray issued from the jet-pipe, water poured over the rear spar and after a few hundred yards, at 70 mph , Bluebird unstuck from the surface and rocketed off towards the southern end of the lake, producing her characteristic comet's tail of spray.
70
5,917
5917
63
3
0
Leo Villa witnessed her passing the first marker buoy at about 285 mph in perfect steady planing trim, her nose slightly down, still accelerating.
285
5,918
5918
92
3
0
7.525 seconds later, Keith Harrison saw her leave the measured kilometre at a speed of over 310 mph .
310
5,919
5919
40
3
0
The average speed for the first run was 297 mph .
297
5,922
5922
59
3
0
Campbell did not wait to refuel after doing a first run of 297 mph and hence the boat was lighter and travelled through the wash caused by his first run, a wash made much worse by the use of the water brake.
297
5,923
5923
124
3
0
Following initial engine trials on 5 August, Bluebird completed a series of test runs on the loch, reaching speeds of about 150 mph .
150
5,924
5924
1
5
0
40007 kilometers Earth's circumference is almost exactly 40,000 km because the metre was calibrated on this measurement—more specifically, 1/10-millionth of the distance between the poles and the equator.
40,007
5,925
5925
115
2
0
About a billion years from now, all surface water will have disappeared and the mean global temperature will reach 70 Coulomb .
70
5,928
5928
89
2
0
To second order, Earth is approximately an oblate spheroid, whose equatorial diameter is 43 kilometers larger than the pole-to-pole diameter, although the variation is less than 1% of the average radius of the Earth.
43
5,929
5929
126
4
0
The point on the surface farthest from Earth's center of mass is the summit of the equatorial Chimborazo volcano in Ecuador ( 6384 kilometers ).
6,384
5,930
5930
50
5
0
The average diameter of the reference spheroid is 12742 kilometers .
12,742
5,938
5938
49
3
0
The mean height of land above sea level is about 797 meters .
797
5,940
5940
190
4
0
Earth's hydrosphere consists chiefly of the oceans, but technically includes all water surfaces in the world, including inland seas, lakes, rivers, and underground waters down to a depth of 2000 meters .
2,000
5,941
5941
110
5
0
The deepest underwater location is Challenger Deep of the Mariana Trench in the Pacific Ocean with a depth of 10911 meters .
10,911
5,946
5946
70
2
0
Three-quarters of the atmosphere's mass is contained within the first 11 kilometers of the surface.
11
5,949
5949
55
2
0
The highest air temperature ever measured on Earth was 56 Coulomb in Furnace Creek, California, in Death Valley, in 1913.
56
5,957
5957
51
7
0
The estimated amount of irrigated land in 1993 was 2481250 sqkm .
2,481,250
5,958
5958
53
6
0
The farthest that humans have traveled from Earth is 400171 kilometers , achieved during the Apollo 13 mission in 1970.
400,171
5,960
5960
13
3
0
max-depth = 174 meters at Hurd's Deep
174
5,962
5962
104
5
0
It is the smallest of the shallow seas around the continental shelf of Europe, covering an area of some 75000 sqkm . "
75,000
5,964
5964
62
2
0
Eastwards from there the adjoining North Sea reduces to about 26 meters in the Broad Fourteens where it lies over the watershed of the former land bridge between East Anglia and the Low Countries.
26
5,966
5966
24
3
0
The sea level was about 120 meters lower than it is today.
120
5,968
5968
47
2
0
By February 1915, this had been augmented by a 25 kilometers stretch of light steel netting called the Dover Barrage, which it was hoped would ensnare submerged submarines.
25
5,969
5969
69
2
0
In December 2002 the MV Tricolor, carrying £30m of luxury cars, sank 32 kilometers northwest of Dunkirk after collision in fog with the container ship Kariba.
32
5,970
5970
13
3
0
The tower is 324 meters tall, about the same height as an 81-storey building, and the tallest structure in Paris.
324
5,971
5971
30
3
0
Its base is square, measuring 125 meters on each side.
125
5,972
5972
125
2
0
Due to the addition of a broadcasting aerial at the top of the tower in 1957, it is now taller than the Chrysler Building by 17 feet .
17
5,973
5973
34
3
0
The top level's upper platform is 276 meters above the ground – the highest observation deck accessible to the public in the European Union.
276
5,974
5974
290
3
0
A budget for the exposition was passed and, on 1 May, Lockroy announced an alteration to the terms of the open competition being held for a centrepiece to the exposition, which effectively made the selection of Eiffel's design a foregone conclusion, as entries had to include a study for a 300 meters four-sided metal to...
300
5,975
5975
86
1
0
Those for the east and south legs were straightforward, with each leg resting on four 2 meters concrete slabs, one for each of the principal girders of each leg.
2
5,977
5977
42
1
0
to support the concrete slabs, which were 6 meters thick.
6
5,979
5979
186
3
0
The task of drawing the components was complicated by the complex angles involved in the design and the degree of precision required: the position of rivet holes was specified to within 1.0 mm and angles worked out to one second of arc.
1
5,980
5980
51
1
0
At the bottom of the run, the chains passed around 3 meters diameter sprockets.
3
5,982
5982
10
2
0
A pair of 81 meters hydraulic rams were mounted on the second level, reaching nearly halfway up to the third level.
81
5,984
5984
96
2
0
Depending on the ambient temperature, the top of the tower may shift away from the sun by up to 18 cms due to thermal expansion of the metal on the side facing the sun.
18
5,985
5985
12
1
0
A promenade 2 meters wide ran around the outside of the first level.
2
5,986
5986
20
8
0
Europe covers about 10180000 sqkm , or 2% of the Earth's surface (6.8% of land area), making it the sixth largest continent.
10,180,000
5,989
5989
55
1
0
The yearly average temperature in city of Inverness is 9 Coulomb .
9
5,990
5990
104
4
0
However, Churchill, Manitoba, Canada, is on roughly the same latitude and has an average temperature of -6.5 Coulomb , giving it a nearly subarctic climate.
-6
5,991
5991
11
1
0
Except the 3 sqkm condominium Neutral Moresnet, which existed from 1816 to 1920 as a disputed territory; but that “country” didn't itself gain international recognition.
3
5,992
5992
95
4
0
The solar furnace at Odeillo in the Pyrénées-Orientales in France can reach temperatures up to 3500 Coulomb
3,500
5,993
5993
36
2
0
Each rotor was a disc approximately 10 cms in diameter made from Ebonite or Bakelite with 26 brass, spring-loaded, electrical contact pins arranged in a circle on one face; the other side housing the corresponding number of circular plates electrical contacts.
10
5,994
5994
42
2
0
It measured 65×45×38 cm and weighed about 50 kilograms .
50
5,995
5995
138
1
0
In the Late Pleistocene, most proboscidean species vanished during the Quaternary glaciation which killed off 50% of genera weighing over 5 kilograms worldwide.
5
5,996
5996
133
3
0
Proboscideans experienced several evolutionary trends, such as an increase in size, which led to many giant species that stood up to 500 cms tall.
500
5,997
5997
55
3
0
Palaeoloxodon falconeri'' of Malta and Sicily was only 100 cms and had probably evolved from the straight-tusked elephant.
100
5,998
5998
70
2
0
A population of small woolly mammoths survived on Wrangel Island, now 87 miles north of the Siberian coast, as recently as 4,000 years ago.
87
5,999
5999
35
2
0
The core body temperature averages 35 °C , similar to that of a human.
35
6,000
6000
15
3
0
and lift up to 350 kilograms .
350
6,001
6001
64
1
0
With its trunk, an elephant can reach items at heights of up to 7 meters and dig for water under mud or sand.
7
6,003
6003
87
2
0
They replace deciduous milk teeth at 6–12 months of age and grow continuously at about 17 cms a year.
17
6,004
6004
133
3
0
For the African elephants, tusks are present in both males and females, and are around the same length in both sexes, reaching up to 300 cms , but those of males tend to be thicker.
300
6,005
6005
151
3
0
Sukumar, p. 120 In earlier times, elephant tusks weighing over 200 pounds (more than 90 kg) were not uncommon, though it is rare today to see any over 100 pounds . "
100
6,007
6007
47
1
0
An elephant's skin is generally very tough, at 2 cms thick on the back and parts of the head.
2
6,008
6008
122
2
0
Fast-moving elephants appear to 'run' with their front legs, but 'walk' with their hind legs and can reach a top speed of 25 kmph .
25
6,010
6010
93
2
0
They have a hindgut fermentation system, and their large and small intestines together reach 35 meters in length.
35
6,012
6012
50
2
0
The female has a well-developed clitoris at up to 40 cms .
40
6,013
6013
35
2
0
The core body temperature averages 35 °C , similar to that of a human.
35
6,015
6015
47
3
0
At Chobe National Park, Botswana, herds travel 325 kilometers to visit the river when the local waterholes dry up.
325
6,016
6016
34
1
0
Elephant sperm must swim close to 2 meters to reach the egg.
2
6,017
6017
51
2
0
By comparison, human sperm has to swim around only 76 mm .
76
6,019
6019
179
2
0
For African elephants, calls range from 15–35 Hz with sound pressure levels as high as 117 dB, allowing communication for many kilometres, with a possible maximum range of around 10 kilometers .
10
6,021
6021
51
2
0
It is separated from France (Hauts-de-France) by a 21 miles sea gap, though the two countries are connected by the Channel Tunnel near Folkestone.
21
6,022
6022
3
3
0
At 220 miles , the Severn is the longest river flowing through England.
220
6,023
6023
103
1
0
It empties into the Bristol Channel and is notable for its Severn Bore (a tidal bore), which can reach 2 meters in height.
2
6,024
6024
71
3
0
However, the longest river entirely in England is the Thames, which is 215 miles in length.
215
6,025
6025
33
3
0
The highest point in England, at 978 meters , is Scafell Pike in the Lake District.
978
6,028
6028
124
3
0
The longest motorway in England is the M6, from Rugby through the North West up to the Anglo-Scottish border, a distance of 232 miles .
232
6,029
6029
18
5
0
Much of Britain's 10000 miles of rail network lies in England, covering the country fairly extensively, although a high proportion of railway lines were closed in the second half of the 20th century.
10,000
6,030
6030
17
4
0
There are around 4400 miles of navigable waterways in England, half of which is owned by the Canal and River Trust, however, water transport is very limited.
4,400
6,031
6031
36
7
0
Its members have a combined area of 4233255 sqkm and an estimated total population of about 447 million.
4,233,255