Science

Fewed by - Muzammil Zafar

At a distance of 15,000 light-years from Earth, scientists have found a black hole that is particularly puzzling: according to their calculations, its mass should not exceed 30 times the mass of the sun, whereas in reality the measured mass of the black hole is 70 times that of the sun, more than twice the theoretical limit.

mass scientist physicist physics sun black-hole stellar-black-hole lb-1 milky-way-galaxy light-years

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According to a new study, wind speeds have risen dramatically all over the world over the course of the last ten years. Researchers claim that wind speeds will only continue to increase and this is expected to benefit wind turbines. Even a small increase in wind speed can increase power generation by a lot.

renewablenergy climatechange globalwarming wind windpower

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German scientists have begun looking for a suitable dumping site where they can dispose of 28,000 cubic meters of radioactive waste for 1 million years. Since Germany will be shutting down all of its nuclear plants by the year 2022, they will no longer be able to use their temporary storage facilities.

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Archaeologists studying the bones of an Egyptian soldier killed more than two thousand years ago say it is highly likely these are the remains of someone who participated in the civil war during the reign of Ptolemy V, which was fought from 206 to 186 BC. This is the very same war mentioned in the Rosetta Stone message, the landmark find that helped archaeologists translate several ancient languages.

war rosetta stone warrior ancient egyptian civil ptolemy

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Researchers at the University of Exeter found that playing the sounds of a healthy coral reef on loudspeakers placed near damaged reefs has a real impact on the amount of fish that choose to settle there. The study found that the number of fish was doubled, while species diversity also increased by half, providing a unique new method for coral reef restoration efforts.

university experiment fish coral reef restoration loudspeakers exeter

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A student in India has found a way to create environment-friendly bricks out of recycled plastic. The bricks are very cheap to make and have interlocking grooves on the bottom and top so the bricks stick to each other when stacked, much like legos. The bricks use no mortar and reduce energy use by 70%.

india environment plastic climatechange pollution

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Scientists are trying to figure out if a newly found 18,000-year-old puppy is a wolf or a dog. The body was found in Siberia and so far scientists have not been able to determine the species using DNA sequencing. The puppy was very well preserved in the permafrost and is still being studied.

science archaeology fossil evolution

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A new research conducted by the University of York and published in the journal Plos One has discovered that humans may not have been the main reason for the extinction of their closely related hominid cousins, the Neanderthals, as has widely been believed. Instead, the study found evidence that the Neanderthal population was already dwindling for thousands of years before the arrival of homo sapiens managed to tip the balance.

archaeology neanderthal homo sapiens extinction

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In a move that seeks to normalize the condition of those living with undetectable levels of HIV, the world's first sperm bank for HIV positive people, Sperm Positive, is open for business in New Zealand, with donations from three HIV positive men from around the country. Sperm Positive was founded through the collaboration of the New Zealand Aids Foundation, Body Positive, and Positive Women Inc.

hiv bank donor new zealand sperm positive

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Psilocybin, a chemical commonly found in magic mushrooms, has been declared a breakthrough treatment for depression by the FDA. They will now be speeding up the testing process for the substance to get it to the public as soon as possible while still making sure it is safe.

depression mentalillness medication therapy

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At the Sir Ganga Ram hospital in Delhi, doctors recently removed a kidney from a 56-year-old man with autosomal dominant polycystic kidney disease. The kidney weighed 7.4 kg and was 45 cm long, whereas the Guinness Book of World Records mentions the largest kidney ever removed as being 4.25 kg, from a patient in Dubai.

india delhi doctor record kidney removal guiness

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The United Nation's World Meteorology Organization has revealed that increases in greenhouse gas levels, such as methane and nitrous oxide, for 2018 surpass the average levels for the previous decade, casting into doubt the efficacy of current climate change measures. The concentration of carbon dioxide in the atmosphere also rose from 405.5 parts per million to 407.8 ppm.

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According to a new report by UNICEF, out of all the developed countries of the world, Japan has the most nutritious school lunches. This is a key factor in maintaining a high rate of nutrition while also keeping obesity rates low. Japan has made school lunches mandatory for all students, with no child being allowed to bring lunch from home.

japan school lunch nutrition

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According to experts, bushfires have killed over 1000 koalas and destroyed 80% of their habitat, making it very unlikely that the species will be able to recover naturally. The animal has been declared 'functionally extinct' as their population no longer plays any significant role in their ecosystem. The fires have also burnt down many eucalyptus trees, the main source of nutrients for koalas.

australia environment koala bushfire habitat

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After being extinct from Malaysia's wildlife since 2015, the last Sumatran rhino in the country, a female named Iman, has died of cancer. Only a few members of the species remain, mostly in Indonesia, and the International Rhino Association believes they will become completely extinct in the next few decades due to loss of habitat and poaching.

indonesia rhino poaching endangered extinct sumatran rhinoceros malaysia species

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According to a recently published research paper in the journal Nature Ecology and Evolution.There is one place on earth where life can’t exist. Scientists conducted multiple tests and discovered that Dallol in Ethiopia is one place where life can’t exist even in microorganisms. Dallol is hot, salty and acidic even in winters, daytime temperatures can exceed 45 degrees Celsius. Some acidic and saline pools have negative pH values.

earth research life ethiopia dallol

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NASA has found water vapor on Jupiter's moon Europa, indicating that the moon may contain a large amount of liquid water. So far liquid water has been very hard to find on any planet or moon besides Earth and scientists have found that liquid water is one of the essential ingredients for the creation of life.

nasa space life water europa

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Scientists at NASA have discovered that some meteorites that landed on Earth billions of years ago contained sugars. These sugars contained chemicals that would have been essential for the creation of life. This is the first real evidence that these chemicals existed out in space and that extraterrestrial chemicals could have contributed to the creation of life.

nasa space science exploration meteor

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According to a new report, the world is on track to produce twice the safe amount of fossil fuels until 2030. According to the Paris Accords, we need to restrict the rise in global temperature to 1.5 degrees, however, we are currently on track to surpass a 2-degree rise. This could have catastrophic consequences in the future.

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Famous broadcaster Sir David Attenborough has said that he feels the world is steadily changing its attitude towards plastic and that people are now more aware of how much damage we have done to the planet. He has previously said that plastic pollution is one of the biggest challenges facing the world's oceans.

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Japanese space probe Hayabusa 2 just completed a mission on the asteroid Ryugu, which scientists believe may contain organic matter, and would, therefore, provide clues about the origin of life on Earth. The asteroid is currently 250 million km away from Earth, from which the probe succeeded in collecting sub-surface samples. If the capsule manages to return safely back to Earth, these will be the first sub-surface asteroid samples ever collected.

space asteroid earth japan probe hayabusa ryugu origin life

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Samoa has found multiple cases of measles amongst its 200,000 person population. There have so far been six deaths related to the outbreak and in response, the government has shut down all schools and is cracking down on public gatherings. A state of emergency has been declared and all unvaccinated citizens will be required to get an immunization injection.

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The flooding in Venice is expected to get worse on Sunday as the city will experience a high tide. The mayor of Venice has said that the government is prepared for further flooding, although the water has caused $1 billion worth of damage so far. The European Union has offered its support to help repair some of the damage.

climate climatechange venice flood globalwarming

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Researchers have long believed that during the hunter-gatherer phase, humans were not very willing to hunt mammoths, giant elephant-like mammals, except in very special circumstances. But a discovery at Tultepec, north of Mexico City, has revealed human-made pits containing the bones of at least 14 mammoths. The pits were 1.7m deep and 25m wide, with perpendicular walls to prevent escape, suggesting humans may have hunted mammoths much more actively.

science mexico archaeology hunting mammoth

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Indonesia's Meteorology, Climate and Geophysics Agency has warned people to stay away from the coast as a large earthquake has hit the nearby ocean floor. The earthquake has put all nearby areas at risk of being hit by a tsunami. The government has begun preparations for a potential emergency evacuation of the at-risk area.

indonesia disaster naturaldisaster tsunami earthquake