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Bizzare & Odd

World’s largest frog builds its own ponds

World's largest frog builds its own ponds 86
Image Credit: Marvin Schafe
Imagine finding this in your back garden.

The goliath frog is so ridiculously enormous that it is capable of building small ponds by moving rocks.

The species, which is found only in Cameroon and Equatorial Guinea, weighs in at a whopping 3.3kg.

Due to the frogs’ remote location not a great deal is actually known about them, but now, a new study published in the Journal of Natural History has revealed one of the more unusual traits of these gargantuan amphibians – their ability to move rocks around to form their own little ponds.

These small bodies of water are used by the frogs to help protect their vulnerable offspring.

“Goliath frogs are not only huge, but our discovery shows they seem to be attentive parents as well,” said study team member Marvin Schafer.

“The little ponds they make at the edges of fast-flowing rivers provide their eggs and tadpoles with a safe haven from sometimes torrential waters, as well as from the many predators living there.”

“We think that the heavy work they put into excavation and moving rocks may explain why gigantism evolved in these frogs in the first place.”

Source: Geek.com

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Bizzare & Odd

The mystery of the “Mandalorian” with a Jetpack flying behind a plane is revealed

The mystery of the “Mandalorian”    with a Jetpack flying behind a plane is revealed 87

Documents have been released revealing the secret of a man with a rocket pack who flew behind passenger planes, according to The Drive.

The owner of The Black Vault, John Greenewald, took advantage of the US Freedom of Information Act to secure the publication of material relating to the rocket pack incident. From the records of the air traffic controllers’ conversations, which he received, it follows that the man maneuvering at an altitude of about 900 meters was noticed by several pilots. At the same time, the radars did not record a single object that would correspond to their description.

It also turned out that in early September 2020, government officials contacted David Mayman, the chief tester of the California-based company Jetpack Aviation, which develops rocket packs. Meiman said that the company had not flown for several months, and questioned the existence of rocket packs that would allow them to climb and hold at an altitude of 900 meters.

Another letter provided to Greenwald mentions that the FBI interrogated an American Airlines pilot who spoke of a man with a jetpack. During the conversation, he confirmed that the figure he noticed resembled a drone in the form of a man from a video filmed at the German Aircraft Modeling Festival in 2019.

This is a radio-controlled drone that was built by model aircraft designer Ralph Kayser. It resembles a life-size human figure, but weighs less than five kilograms. The Rotor Drone Pro website wrote that the device is made from a paintball suit stuffed with packing film and can stay in the air for up to eight minutes.

The incident leading to the investigation took place on August 30, 2020. According to press reports, an unidentified person with a jetpack flew approximately 270 meters from an American Airlines plane landing at the Los Angeles airport. In October, the man with the rocket pack was reported by several other pilots in southern California.

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An abnormal phenomenon on Earth captured from space: NASA and ESA have never seen such lightning

An abnormal phenomenon on Earth captured from space: NASA and ESA have never seen such lightning 88

The Atmosphere-Space Interactions Monitor (ASIM) observatory has recorded five blue jets , an anomalous type of lightning that strikes from the top of a thundercloud into the stratosphere. This is reported in an article published in the journal Nature.

On January 20, a video filmed from the International Space Station was posted on the channel of the European Space Agency, which puzzled all academics who study the atmosphere and build theories about how everything works there:

The 10 microsecond jets were sighted on February 26, 2019, near Nauru Island in the Pacific Ocean. One of the lightning flashes produced a jet that reached the stratopause – the boundary between the stratosphere and the ionosphere at an altitude of about 50 to 55 kilometers. In addition to the jets, “elves” were recorded, which are expanding rings of optical and ultraviolet radiation in the stratosphere, lasting no more than a millisecond.

Electrical phenomena in the upper atmosphere are poorly understood and attract a lot of attention from physicists from around the world. They are short-lived and vary greatly with altitude. 

Blue jets occur during electrical breakdown between the positively charged top of a thundercloud and the negatively charged air layer above it. As a result, a leader is formed – a conducting channel of ionized air, through which the discharge propagates. However, in this case, the radiation from the leader was weak, which indicates that the leader itself was short compared to the conductive channels of conventional lightning.

The blue jets belong to streamers – branched filaments of electrical discharges, similar to those generated by Tesla coils. In addition, blue jets are more likely to occur as a phenomenon than previously thought.

Some of the most mysterious are the “elves”. Their name comes from the abbreviation ELVES , which stands for “Emission of Light and Very Low Frequency perturbations due to Electromagnetic Pulse Sources.”. These phenomena reach four hundred kilometers in diameter and occur at an altitude of about one hundred kilometers. The list of optical phenomena associated with electrical discharges in the upper atmosphere does not end there. There are also TROLL , Pixie , Ghost, and Gnome , but their nature is even less understood. 

There is nothing like this, that is, such strange huge lightning has never been observed before. Something is happening in the Earth’s atmosphere, and it started quite recently. How it will end and what will result in – we do not know, since people living today have no such experience.

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Ancient asteroid sent dinosaur bones into moon

Ancient asteroid sent dinosaur bones into moon 89

The impact of the asteroid that destroyed the dinosaurs 66 million years ago was so powerful that it sent into space huge volumes of earth’s soil and rocks from the crash site. But together with them, he could send into orbit the remains of living beings, including dinosaurs.

Such a possibility is discussed in the book “The End of the World” by the scientific journalist and winner of several awards Peter Brannen, according to the Daily Mail.

It is known that an asteroid or meteorite about 10 km in size collided with the Earth 66 million years ago, forming the Chikshulub crater on the Yucatan Peninsula in Mexico. About 15 trillion tons of ash and soot were thrown into the air. Because of  this, during the day it was dark on Earth, like a moonlit night.

As a result of the lack of light in plants, photosynthesis slowed down, which could lead to a decrease in the concentration of oxygen in the atmosphere. Temperatures on continents dropped by 28 ° C, in oceans by 11 ° C. The disappearance of phytoplankton has led to the extinction of zooplankton and other marine animals. Other species died after them. 

This is one of the largest mass extinctions in the history of the Earth, which is called the Cretaceous-Paleogene. Brannen, trying to make the numbers more descriptive, points out that the asteroid (or meteorite) was larger than Everest and crashed into the atmosphere 20 times faster than a flying bullet. At the same time, the pressure of the atmosphere was so strong that a crater in the Yucatan began to form even before the asteroid fell.

The “response” release of soil into the atmosphere occurred only within a second or two after the impact and was incredibly powerful.

“So there are probably little pieces of dinosaur bones on the moon,” Brannen suggests.

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