Thứ Hai, 31 tháng 10, 2016

Weird but amazing science facts

Here are some of the best weird science facts that will make you nervous but also are amazing science facts to us

Fly larvae helps to heal wounds quicker


Long ago, some doctors noticed soldiers that had maggots on their wounds healed quicker than those without maggots. Maggots eat the dead skin cells and bacteria. Maggot Therapy (also known as Maggot Debridement Therapy (MDT), larval therapy, larva therapy, or larvae therapy) is the intentional introduction of live, disinfected maggots or fly larvae into non-healing skin or soft tissue wounds of a human or other animal. This practice was widely used before the discovery of antibiotics, as it serves to clean the dead tissue within a wound in order to promote healing. 

Animals can naturally explode


Natural animal explosions can occur for a variety of reasons. On 2004, a buildup of gas inside a decomposing sperm whale, measuring 17 meters (56 ft.) long and weighing 50 tons, caused it to burst in Taiwan. The explosion was reported to have splattered blood and whale entrails over surrounding shop-fronts, bystanders, and cars. 

A significant population of toads in Germany and Denmark were exploding in April 2005 in an act described as a self-defence mechanism that failed, as it consisted of puffing up to look bigger while under attack by crows. 

You can still have an erection once dead

A death erection (sometimes referred to as "angel lust") is a post-mortem erection which occurs when a male individual dies vertically or face-down with the cadaver remaining in this position. During life, the pumping of blood by the heart ensures a relatively even distribution around the blood vessels of the human body. Once this mechanism has ended, only the force of gravity acts upon the blood. As with any mass, the blood settles at the lowest point of the body and causes edema or swelling to occur; the discoloration caused by this is called lividity. 

If an individual dies vertically such as in a hanging, the blood will settle in the legs and pool at the feet. The pressure will be greatest as the weight of the blood pushes down. This causes the blood vessels and tissues in the feet to engorge to their greatest elastic capacity and hold the greatest volume of blood possible. This effect occurs right up the legs although to a lesser extent than the feet and is also notable at the waist. The blood which remains in the torso attempts to move to a lower position due to gravity, and as the blood in the waist (which cannot move down due to the legs being full) causes the penis, consisting of erectile tissue, to fill with blood and expand. This is the death erection. As long as the body remains in this position the effect will continue. This is one of the mostamazing facts ever.

Male seahorses can get pregnant


Seahorses reproduce in an unusual way: the male becomes pregnant. Pipefishes and seahorses are the only species in the animal kingdom to which the term "male pregnancy" has been applied. 

The male seahorse has a brood pouch in which he carries eggs deposited by the female. The mating pair entwine their tails and the female aligns a long tube called an ovipositor with the male's pouch. The eggs move through the tube into the male's pouch where he then fertilizes them. The embryos develop in ten days to six weeks, depending on species and water conditions. When the male gives birth he pumps his tail until the baby seahorses emerge. 

The male's pouch regulates salinity for the eggs, slowly increasing in the pouch to match the water outside as the eggs mature. Hatched offspring are independent of their parents. Some spend time developing among the ocean plankton. At times, the male seahorse may try to consume some of the previously released offspring. Other species (H. zosterae) immediately begin life as sea-floor inhabitants (benthos). 

A fetus can get trapped inside of its twin


Fetus in fetu (or Foetus in foetu) describes an extremely rare abnormality that involves a fetus getting trapped inside of its twin. It continues to survive as a parasite even past birth by forming an umbilical cord-like structure that leeches its twin's blood supply until it grows so large that it starts to harm the host, at which point doctors usually intervene. Invariably the parasitic fetus is anencephalic (without a brain) and lacks internal organs, and as such is unable to survive on its own, though it may have almost human (albeit underdeveloped and bizarre) features such as limbs, digits, hair, nails and teeth. Fetus in fetu is such a rare condition that only some 91 cases worldwide have ever been reported. Fetus in fetu happens very early in a twin pregnancy, when one fetus wraps around and envelops the other. The dominant fetus grows, while the fetus that would have been its twin lives on throughout the pregnancy, feeding off its host twin like a kind of parasite. Usually, both twins die before birth from the strain of sharing a placenta. Sometimes, however, the host twin survives and is delivered. 

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Thứ Năm, 27 tháng 10, 2016

Things and facts about Pluto Dwarf planet you should know

Here are things and science facts about Pluto Dwarf planet you should know. Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other planets. But it is much smaller.


#1

Pluto is named after the Greek god of the underworld. This is a later name for the more well known Hades and was proposed by Venetia Burney an eleven year old schoolgirl from Oxford, England. Pluto was discovered on February 18th, 1930 by the Lowell Observatory.

#2

For the 76 years between Plutos being discovered and the time it was reclassified as a dwarf planet it completed under a third of its orbit around the Sun.

#3

Pluto's orbital period is 248 Earth years. Its orbital characteristics are substantially different from those of the planets, which follow nearly circular orbits around the Sun close to a flat reference plane called the ecliptic. In contrast, Pluto's orbit is moderately inclined relative to the ecliptic (over 17°) and moderately eccentric (elliptical). This eccentricity means a small region of Pluto's orbit lies nearer the Sun than Neptune's. This is one of the most amazing facts about this awesome planet - Pluto Dwarf planet.

#4

Pluto is one third water. This is in the form of water ice which is more than 3 times as much water as in all the Earth’s oceans, the remaining two thirds are rock. Pluto’s surface is covered with ices, and has several mountain ranges, light and dark regions, and a scattering of craters.

#5

Pluto was first discovered in 1930 by an astronomer called Clyde Tombaugh. Pluto is a dwarf planet that lies at the very edge of our solar system. It takes the sunlight five and a half hours to reach Pluto, which is a lot, considering it only takes eight minutes to reach Earth. Pluto is only about two-thirds the size of our moon and is extremely cold, it is so cold that nitrogen and oxygen is frozen solid, its surface temperature is -233°C, so we’ve got no chance of living there.

#6

It takes 247.9 Earth years for Pluto to orbit the Sun once, which sometimes takes it inside Neptune‘s orbit. Pluto makes a full rotation every 6.8 days. It is approximately 5.9 billion kilometres (3.7 billion miles) away from the Sun. It has a diameter of 2,360 kilometres.

#7

Pluto has a moon called Charon, which is roughly one half of the size of Pluto. Well, it also has two other moons which were discovered by the Hubble Space Telescope, these moons are called Nix and Hydra; these are named after the Greek goddess of darkness (Nyx) and a nine-headed serpent that in Greek mythology guards the underworld.


#8

Sunlight on Pluto has the same intensity as moonlight on Earth. This is because it located so far from the Sun in the outer solar system – approximately 5,945,900,000 km.

#9

Either Pluto or Eris is the largest dwarf planet. The most accurate measurements currently put Eris at an average diameter of 2,326 km with a 12 km margin of error, compared to a 2,368 km diameter with a 20 km margin of error for Pluto. The atmosphere on Pluto makes it difficult to accurately map its size.

#10

Pluto’s core is predicted to be around 70% of its total diameter. This would put the core at around 1,700 km in diameter (1,000 miles). This is the truth, not jokes for fun we've misundertood as before.

#11

Pluto has an atmosphere sometimes. When Pluto is closer to the Sun on its elliptical orbit path the surface ice thaws and forms a thin atmosphere of nitrogen, methane and carbon monoxide. As it travels away from the Sun this then freezes back into its solid state.

Thứ Ba, 4 tháng 10, 2016

Amazing world of science facts

Armadillos, opossums, and sloth's spend about 80% of their lives sleeping, the tentacles of the giant Arctic jellyfish can reach 120 feet (36.6 meters) in length and much more other science facts


  • Armadillos, opossums, and sloth's spend about 80% of their lives sleeping.
  • The starfish species, Porcellanaster ivanovi, has been found to live in water as deep as 24,881 feet (7,584 meters).
  • The tentacles of the giant Arctic jellyfish can reach 120 feet (36.6 meters) in length.
  • The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 54 ft. 6 in. (16.6 meters).
  • The highest temperature produced in a laboratory was 920,000,000 F (511,000,000 C) at the Tokamak Fusion Test Reactor in Princeton, NJ, USA.
  • The most powerful laser in the world, the Nova laser at Lawrence Livermore National Laboratory, CA, USA, generates a pulse of energy equal to 100,000,000,000,000 watts of power for .000000001 second to a target the size of a grain of sand.
  • The fastest computer in the world is the CRAY Y-MP C90 supercomputer. It has two gigabytes of central memory and 16 parallel central processor units.
  • The heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.).
  • The deepest part of the ocean is 35,813 feet (10,916 meters) deep and occurs in the Mariana Trench in the Pacific Ocean. At that depth the pressure is 18,000 pounds (9172 kilograms) per square inch.
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  • The largest cave in the world (the Sarawak Chamber in Malaysia) is 2,300 feet (701 meters) long, 980 feet (299 meters) wide, and more than 230 feet (70 meters) high.
  • The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
  • The ears of a cricket are located on the front legs, just below the knee.
  • The first electronic digital computer (called ENIAC - the Electronic Numerical Integrator and Calculator) was developed in 1946 and contained over 18,000 vacuum tubes.
  • The leg muscles of a locust are about 1000 times more powerful than an equal weight of human muscle.
  • The cosmos contains approximately 50,000,000,000 galaxies.
  • There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy.
  • Sound travels about 4 times faster in water than in air.
  • Scientists have discovered that copper pollution of the atmosphere occurred about 2500 years ago. This was discovered by analyzing ice cores from Greenland. The pollution was attributed to the Romans who used copper for military purposes and to produce coins.
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