Top science stories – Everything you need to know on: May 1 2021

24,965,463
India total cases
Updated on May 17, 2021 5:27 pm
274,411
India deaths
Updated on May 17, 2021 5:27 pm
21,174,076
India total recovered
Updated on May 17, 2021 5:27 pm
3,516,976
India total active cases
Updated on May 17, 2021 5:27 pm

India Covid 19 Stats:

24,965,463
Total cases
Updated on May 17, 2021 5:27 pm
21,174,076
Recovered
Updated on May 17, 2021 5:27 pm
3,516,976
Active
Updated on May 17, 2021 5:27 pm
274,411
Total deaths
Updated on May 17, 2021 5:27 pm

NASA’s Ingenuity helicopter has made its fourth and furthest flight. Plus other top 43 science stories you need to know on May 1.

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Image courtesy: Twitter. © @newscientist

Top science# 1 We’ve measured the size of Venus’s planetary core for the first time:

They then used both this and the Green Bank Telescope some 3000 kilometres away in West Virginia to track the echoes of the waves as they bounced back to Earth, a technique called radar speckle tracking. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 2 NASA’s Parker Solar Probe has gone faster than any spacecraft ever:

On 29 April, the probe made its closest pass yet to the sun, a little more than 10 million kilometres from its surface. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 3 Why the latest muon measurements are so tantalising for physics:

WE TEND to think that the three biggest problems with the standard model of particle physics are how it struggles to include gravity, the absence of a good dark matter candidate and (to some of us, at least) its inadequate explanation for the cosmic acceleration/dark energy problem. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 4 Feral horses and donkeys in the Sonoran desert in North America dig their own wells, inadvertently providing a water source for other animals and increasing biodiversity in the area:

Sign up to Wild Wild Life, a free monthly newsletter celebrating the diversity and science of animals, plants and Earth’s other weird and wonderful inhabitants © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 5 New species of ‘pumpkin toadlet’ poisonous frog found in Brazil:

But the researchers found that a group of toadlets in the southern Mantiqueira mountains – a rugged, forested landscape with a diverse array of frogs found nowhere else – were distinct from their neighbours. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 6 ‘Smart’ immune cells kill tumours and stop them regrowing in mice:

One of the reasons why CAR-T therapies don’t work for solid tumours is that not all cells in such tumours express a single, unique protein, says Roybal. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 7 Arabian cult may have built 1000 monuments older than Stonehenge:

Hugh Thomas at the University of Western Australia in Perth and his team wanted to learn more about them, and embarked on the largest investigation of the structures to date. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @IFLScience

Top science# 8 Australian Man Explains Why He Let A Spider The Size Of His Face Live In His House For A Year:

While it may look pretty terrifying, with people in the comments chipping in to say bruh, that’s the spider’s house now and share gifs of Michael Scott yelling NO, this particular species isn’t as harmful as it appears.  © IFLScience. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 9 Billion-year-old microbe had taken first step towards internal organs:

It may have been one of the first life forms built that way, making it a crucial step towards modern organisms like animals that also have a skin that is distinct from the cells inside the body. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 10 The deep sea has a reputation for being more mysterious than the moon, but that’s changing. A new podcast delves into the latest discoveries from the depths:

Every episode of The Deep-Sea Podcast delves into both important issues, such as whether deep-sea mining should be allowed to happen, and more light-hearted angles, such as a Halloween special on why humans seem to intrinsically fear the deep sea. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 11 NASA’s Ingenuity helicopter has made its fourth and furthest flight:

During its fourth flight on 30 April, the drone flew further and faster than ever before – and it is far from finished, as NASA also announced a month-long extension to its mission. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 12 UK air pollution fell to record lows in 2020 due to lockdowns:

However, the respite is expected to be short-lived as traffic levels return to normal in 2021. © newscientist. Apr 30 2021 Reported Here.


Top science# 13 Molecular biologist @jptosar talks about his work that aims to understand how cells talk to each other using their RNA.:

We can look at all the extracellular RNA in a sample, and determine whether any of the molecules contain abnormalities that might point to the presence of conditions such as cancer. © nature. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 14 A baby’s first poo reveals if they are at risk of allergies and asthma:

Meconium isn’t normal faeces, but a mixture of substances that entered the baby’s mouth in late pregnancy, such as amniotic fluid, skin cells and substances made by the baby’s skin. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 15 Why billionaires are fighting over who gets to land humans on the moon:

Existing subscribers, please log in with your email address to link your account access. © newscientist. Apr 30 2021 Reported Here.


Top science# 16 The cosmic objects were thought to be gas bubbles blown by supermassive baby stars.:

Scientists have cracked the case of mysterious cosmic objects dubbed “yellowballs.” The celestial specks mark the birthplaces of many kinds of stars with a wide range of masses, rather than single supermassive stars, researchers report April 13 in the Astrophysical Journal. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 17 Feral donkeys and horses are often cast as villainous invaders, destroying native ecosystems. New research shows they might provide benefits too.:

It is published by the Society for Science, a nonprofit 501(c)(3) membership organization dedicated to public engagement in scientific research and education. © ScienceNews. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 18 Black widow males sacrifice themselves to females after mating, even though they can’t be sure she will father their offspring:

“Usually there are some advantages to the male for being eaten during mating, like longer copulations as well as decreased female receptivity to future males,” says Luciana Baruffaldi at the University of Toronto, Scarborough, Canada. © newscientist. Apr 30 2021 Reported Here.


Top science# 19 Mars Ingenuity helicopter mission extended by Nasa:

This data will help the team to locate a new flight field, and on its next flight, in about a week’s time, the helicopter will head there so the next stage of its mission can begin. © BBCScienceNews. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 20 Fossil pollen records suggest that Indigenous peoples may have abandoned parts of the Amazon 300 to 600 years before Europeans arrived:

This has been associated with the population decline that occurred after Europeans landed in South America, as forests regrew on land previously inhabited by Indigenous people, decreasing carbon dioxide levels. © newscientist. Apr 30 2021 Reported Here.


Top science# 21 The main reason to make oxygen on Mars isn’t for breathing. It’s for making fuel for the return journey to Earth.:

On April 20, the instrument warmed up to about 800° Celsius and ran for long enough to produce five grams of oxygen. © ScienceNews. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 22 A bay in south-west Japan could become the place on Earth that geologists use to officially establish the start of the Anthropocene, thanks to an abundance of sardine scales that mark humanity’s growing influence on the planet:

Beppu Bay has now formally joined 10 other sites being considered by researchers trying to find the planet’s best candidate for a “golden spike”, a clear signal in Earth’s geological record that can designate a new epoch shaped by human impact. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 23 On Thursday, China launched the first section of a new space station, beginning an orbital construction project that is expected to end in 2022 with an outpost about a quarter of the size of the International Space Station:

China is about to launch the first section of a new space station, beginning an orbital construction project that is expected to end in 2022 with an outpost about a quarter of the size of the International Space Station (ISS). © newscientist. Apr 30 2021 Reported Here.


Top science# 24 For every million doses of the vaccine given to women 18 to 49 years old, the CDC predicts 13 cases of blood clots would result. At the same time, immunization would prevent 12 deaths, 127 ICU admissions and 657 hospitalizations in that age group.:

The U.S. Food and Drug Administration and the U.S. Centers for Disease Control and Prevention made the ruling April 23 following a meeting of CDC’s Advisory Committee on Immunization Practices about the vaccine, made by Janssen, J&J’s vaccine division.  © ScienceNews. Apr 30 2021 Reported Here.


Top science# 25 The world has reached the milestone of administering one billion doses of COVID-19 vaccines. The speed at which they have been administered is remarkable, but unequal distribution of the vaccinations highlights global disparities, say researchers.:

The world has reached the milestone of administering one billion doses of COVID-19 vaccines, just four months after the World Health Organization (WHO) approved the first vaccine for emergency use, and roll-outs began in countries such as the United States and the United Kingdom. © nature. Apr 30 2021 Reported Here.


Top science# 26 The Ingenuity helicopter proved it could fly on Mars. Now it has loftier goals. #MarsHelicopter:

Having passed all its original engineering tests, the tiny spacecraft will now begin a new job, supporting the Perseverance rover in its science mission. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 27 The varied and damaging effects of lockdowns, the imprecision doctors and patients use for describing symptoms and the indirect effects the virus can have on the brain all merge, creating a devilishly complex puzzle.:

The vast majority of those diagnoses were depression and anxiety, “disorders that are extremely common in the general population already,” points out Jonathan Rogers, a psychiatrist at University College London. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 28 News & Views: A study in Nature sheds on a long-standing mystery about one risk factor for Crohn’s disease, and their findings have important clinical implications.:

c, The authors report that a gp130 inhibitor molecule called bazedoxifene prevented gene expression that leads to damage in a zebrafish model of Crohn’s disease. © nature. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 29 Driftwood could be recycled into cleaner electric car batteries:

The remains of trees provide many benefits to ecosystems in rivers and oceans, but driftwood is a nuisance for dam operators. © newscientist. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @IFLScience

Top science# 30 Breaking: Mars Helicopter Is Now A Fully Operational Partner Of Perseverance:

We don’t have data back yet, but the rotocopter will go on a 266-meter (873 feet) round trip and take about 60 black and white images to create 3D elevation maps of the terrain. © IFLScience. Apr 30 2021 Reported Here.


Top science# 31 Rivers and streams might be giving off more carbon dioxide than had previously been thought — because they’re doing it at night when nobody had been looking. #ResearchHighlight:

A health worker in the Democratic Republic of the Congo prepares to care for people infected with Ebola virus during the 2018–20 outbreak, which prompted an extensive genomic analysis. © nature. Apr 30 2021 Reported Here.


Top science# 32 Little Foot offers a peek at a human-chimp ancestor.:

In the new study, a digital, 3-D reconstruction of Little Foot’s more complete right shoulder blade was compared with right shoulder blades of chimps, gorillas, orangutans and present-day people. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 33 Lightning can forge far more air-cleansing chemicals than expected.:

Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 34 Fourteen pinpricks of light on a gamma-ray map of the sky could fit the bill for stars made of antimatter, or antistars.:

“It would be practically impossible to say that [the candidates] are actually antistars,” says study coauthor Simon Dupourqué, an astrophysicist at the Institute of Research in Astrophysics and Planetology in Toulouse, France. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 35 Because neutrons don’t have an electric charge, the volume they enclose is hard to measure.:

The skin of lead-208 — a variety of lead with 126 neutrons in addition to its 82 protons — is about 0.28 trillionths of a millimeter thick, researchers report online April 27 in Physical Review Letters. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 36 #Mars helicopter makes 4th flight, gets extra month of flying:

Now, the goal is to assess how well flyers can help future exploration of Mars and other worlds. © physorg_com. Apr 30 2021 Reported Here.


Top science# 37 Garfield spent his final three months being fed beef through his anus:

A number of doctors rushed to attend to the President, one of whom named Dr Doctor Willard Bliss – not a typo, his first name was actually Doctor – would go on to be Garfield’s chief doctor over the next few months until his death, after he declared quite dramatically “If I can’t save him, no one can.” It turns out that the best system for getting a doctor might not be to see who shows up and see who calls dibs, however, as many questions arose about his medical care, with quite a few of them being what the hell?. © IFLScience. Apr 30 2021 Reported Here.


Top science# 38 Entropy grows as time marches on. And measuring time’s march means emitting entropy, too.:

So if the accuracy of all clocks does come at a cost of increased entropy, that trade-off may reflect a close link between the passage of time and its measurement. © ScienceNews. Apr 30 2021 Reported Here.


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Image courtesy: Twitter. © @newscientist

Top science# 39 Multiple negative events before birth could lead to poor mental health:

Children who experienced multiple negative events before birth, such as exposure to alcohol or pre-eclampsia, are at higher risk of experiencing poor mental health a decade later. © newscientist. Apr 30 2021 Reported Here.


Top science# 40 Self-organization of nanoparticles and molecules in periodic Liesegang-type structures @ScienceAdvances @nature @NatureNano:

Based on both POM and polarimetry experiments, Ackroyd et al revealed the orientation order in TA-rich ring-banded regions relative to the chemical composition of the film. © physorg_com. Apr 30 2021 Reported Here.


Top science# 41 The breakneck pace of progress in nuclear and particle physics in less than a century can seem unbelievable. #SN100:

Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. © ScienceNews. Apr 30 2021 Reported Here.


Top science# 42 These are a few of the wonderful photos taken by @Lena_Mucha in Kenya for the feature on malaria vaccines by @JacobKushner in this week’s magazine.:

While most of the world is focusing on new vaccines for the coronavirus, thousands of Kenyan children are finally receiving a longed-for malaria vaccine, 37 years after development on it started. © newscientist. Apr 30 2021 Reported Here.


Top science# 43 Editorial: Publishers are redoubling their commitment to transparency and reproducibility, but they can’t bring about change alone.:

Such a checklist, which is provided to peer reviewers and published with each life-sciences paper, has helped to improve transparency in the reporting of research1,2. © nature. Apr 30 2021 Reported Here.


All articles/ opinions/ images are copyright content of the original media house/ author. Content is taken from what is shared on Twitter. You can read more of our “Everything you need know series” here.

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