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Browsing Category
Technology
Volcanic sulfur may make barn owls grow redder feathers
Life on a volcanic isle appears to give barn owls a blush of red-brown plumage.
The high-sulfur environment on such islands influences the birds’ coloration, researchers report March 13 in the Journal of Biogeography. Darker…
A supermassive blackhole is directly facing Earth: Scientists
A team of scientists at the Royal Astronomical Society has reclassified a galaxy after they discovered that a supermassive blackhole has changed its direction and is directly facing toward the Earth.
A supermassive blackhole with a jet…
Where does plastic go when we’re done with it?
Human-made plastic materials have become so essential that it can be hard to grasp that they barely existed a century ago. At my desk, I’m typing on a plastic keyboard, scrolling a plastic mouse, picking up a plastic pen, tapping…
Readers ask about bird droppings, Ice Age cave art and more
Bodily waste is cool, actually
Snot bubbles may help a short-beaked echidna cool off by coating the critter’s nose with moisture, which evaporates and draws heat from a blood-filled sinus, helping to cool the blood, Elise…
Chia seedlings verify Alan Turing’s ideas about patterns in nature
LAS VEGAS – Chia seeds sprouted in trays have experimentally confirmed a mathematical model proposed by computer scientist and polymath Alan Turing decades ago. The model describes how patterns might emerge in desert vegetation,…
Do you live near a busy road? Know its effect on blood pressure as study shows…
If you reside close to a busy road, you may feel as though the constant noise of the motors, honking of the horns, and wailing of the sirens raises your blood pressure.
people who had high exposure to both traffic noise and air…
‘City killer’ asteroid to pass harmlessly between Earth and Moon
A large asteroid will safely zoom between Earth and the Moon on Saturday, a once-in-a-decade event that will be used as a training exercise for planetary defence efforts, according to the European Space Agency.
Asteroid 2023 DZ2 to…
Microplastics are in our bodies. Here’s why we don’t know the health risks
Tiny particles of plastic have been found everywhere — from the deepest place on the planet, the Mariana Trench, to the top of Mount Everest. And now more and more studies are finding that microplastics, defined as plastic pieces…
These transparent fish turn rainbow with white light. Now, we know why
The ghost catfish transforms from glassy to glam when white light passes through its mostly transparent body. Now, scientists know why.
The fish’s iridescence comes from light bending as it travels through microscopic striped…
Mathematicians have finally discovered an elusive ‘einstein’ tile
A 13-sided shape known as “the hat” has mathematicians tipping their caps.
It’s the first true example of an “einstein,” a single shape that forms a special tiling of a plane: Like bathroom floor tile, it can cover an entire…
Covid infection can alter our gene structure: What a study shows | World News
People infected with the SARS-CoV-2 virus may experience changes in genome structure that could explain their immunity-related symptoms and risk of long COVID, according to a study.
SARS-CoV-2 can cause gene altercation:…
Large asteroid coming close to Earth. Are there chances of hitting us?
An asteroid big enough to wipe out a city will zip harmlessly between Earth and the moon's orbit this weekend, missing both celestial bodies. Saturday's close encounter will offer astronomers the chance to study a space rock from just…
How raccoon dog DNA fits into the COVID-19 origins debate
It’s been three years since the COVID-19 pandemic began. Yet the mystery of how it got started continues to make headlines again and again and to fuel a heated, and oft-time political, debate.
While what exactly happened in the…
Scientists have now recorded brain waves from freely moving octopuses
For the first time, scientists have recorded brain waves from freely moving octopuses. The data reveal some unexpected patterns, though it’s too early to know how octopus brains control the animals’ behavior, researchers report…
Here’s a peek into the mathematics of black holes
Black holes exist in our universe. That’s widely accepted today. Physicists have detected the X-rays emitted when black holes feed, analyzed the gravitational waves from black hole collisions and even imaged two of these…
India will eradicate Tuberculosis by 2025: Chief of Stop TB Partnership
The Executive Director of the STOP TB Partnership, Dr Lucica Ditiu on Thursday said she has no hesitation to say that India will end Tuberculosis (TB) by 2025.
Dr Lucica Ditiu further explained that India plans to end TB by 2025.(ANI)…
Japanese scientists discover new ‘glass-like’ orchid species
AFP | | Posted by Lingamgunta Nirmitha Rao
A new species of orchid with delicate, glass-like blooms has been discovered by Japanese scientists, who found the pink and white plant hiding in plain sight.
The plant, with its…
World Meteorological Day 2023: History, theme, all you need to know
World Meteorological Day is observed every year on March 23 to commemorate the formal establishment of the World Meteorological Organisation (WMO) in 1950. The day highlights “the essential role that ‘National Meteorological and…
DNA from Beethoven’s hair hints at what killed the composer
DNA from strands of Beethoven’s hair is helping to uncover what may have caused his death, researchers say.
The composer was plagued with health issues for most of his life. On March 26, 1827, he succumbed to what many…
‘Off-Earth’ asks how to build a better future in space
Off-EarthErika NesvoldMIT Press, $27.95
Astrophysicist Erika Nesvold once asked an executive of a company aiming to mine the moon how he planned to address risks that mining equipment might carry microbes from Earth and…
A hormone shot helped mice drunk on alcohol sober up quickly
The only cure to being drunk is to wait it out. But that might not always be the case: Injecting drunk mice with a naturally occurring hormone helped them sober up more quickly than they otherwise would have, a new study shows.…
Life on Earth seeded from outer space? New study suggests ‘strong evidence’
The black particles from an asteroid some 300 million kilometres away look unremarkable, like pieces of charcoal, but they hold a component of life itself.
Carbonaceous rock samples retrieved from the asteroid Ryugu, that were subjected…
A crucial building block of life exists on the asteroid Ryugu
Uracil, a building block of life, has been found on the asteroid Ryugu.
Yasuhiro Oba and colleagues discovered the precursor to life in samples collected from the asteroid and returned to Earth by Japan’s Hayabusa2 spacecraft,…
Sleeping sickness is nearing elimination. An experimental drug could help
The patient arrived at the hospital one hot night in Masi-Manimba, an agricultural town unfurled along the Democratic Republic of the Congo’s Lukula River.
He couldn’t speak, he couldn’t walk, he was conscious but “barely could…
Nervous system’s key role in severe allergy shocks: Study | Health
A key feature of the severe allergic reaction known as anaphylaxis is an abrupt drop in blood pressure and body temperature, causing people to faint and, if untreated, potentially die.
Nervous system's key role in severe allergy shocks:…
Treatment of genetic disorders: Here’s how stem cells can treat genetic diseases | Health
Genetic disorders are those in which genes have been altered or abolished as a contributing factor, given that both genes and the environment have a role in the development of most diseases and sometimes a single disease is brought on by…
U.S. cases of a deadly fungus nearly doubled in recent years
A fungus that recently evolved to infect humans is spreading rapidly in health care facilities in the United States and becoming harder to treat, a study from the U.S. Centers for Disease Control and Prevention finds.
Candida…
310-million-year-old fossil blobs might not be jellyfish after all
What do you get when you flip a fossilized “jellyfish” upside down? The answer, it turns out, might be an anemone.
Fossil blobs once thought to be ancient jellyfish were actually a type of burrowing sea anemone, scientists…
The mystery of Christiaan Huygens’ flawed telescopes may have been solved
17th century scientist Christiaan Huygens set his sights on faraway Saturn, but he may have been nearsighted.
Huygens is known, in part, for discovering Saturn’s largest moon, Titan, and deducing the shape of the planet’s…
House on Mars soon? ‘Cosmic concrete’ is UK scientists’ bet
A team of scientists in the UK developed an intriguing material “StarCrete”, which is suitable for construction work in extraterrestrial environments. The material is made of extra-terrestrial dust, potato starch, and a pinch of salt and…