About 75% of previously undetected space junk found 36K km above Earth's surface, may pose threat to satellites
About 75% of previously undetected space junk found 36K km above Earth's surface, may pose threat to satellites

These objects are dead, failed satellites or smaller pieces left behind by a rocket have now become debris

What was the source of life before oxygen? Study says ancient microbial life on Earth relied on arsenic
What was the source of life before oxygen? Study says ancient microbial life on Earth relied on arsenic

For half of the time life has existed on Earth, there was no oxygen present. Researchers wondered what supported life back then

Why does Covid-19 virus harm some more than others? 2 studies blame it on genetic defects, faulty immune system
Why does Covid-19 virus harm some more than others? 2 studies blame it on genetic defects, faulty immune system

As scientists try to flesh out the reasons behind it, a new theory has emerged that suggests a faulty early immune response to the new coronavirus is to be blamed

Can a gadget manipulate the content of your dreams? MIT scientists develop a device that can do that and more
Can a gadget manipulate the content of your dreams? MIT scientists develop a device that can do that and more

The sleep-tracking gadget named Dormio can alter dreams by manipulating a sleep stage, which occurs when the mind transitions from experiencing drowsiness to a time when it loses consciousness

'Zombie storms' may become common due to climate change with tropical storm Paulette returning from the dead
'Zombie storms' may become common due to climate change with tropical storm Paulette returning from the dead

Above-average sea surface temperatures are one reason why Paulette came back to life, say experts

Less than 10% of Americans may have developed Covid-19 antibodies, study says vast majority still vulnerable
Less than 10% of Americans may have developed Covid-19 antibodies, study says vast majority still vulnerable

Preliminary data from the Centers for Disease Control and Prevention also have arrived at similar conclusions

California plans to ban sale of gasoline cars by 2035, launch zero-emission alternatives to curb climate change
California plans to ban sale of gasoline cars by 2035, launch zero-emission alternatives to curb climate change

'We have a strategy to be as bold as the problem is big, to recognize that we have agency. We’re not just victims of fate,' Newsom said

FDA rules fall short to curb use of 10,000 food chemicals that cause ailments: Petition demands strict action
FDA rules fall short to curb use of 10,000 food chemicals that cause ailments: Petition demands strict action

Studies have suggested that food additives can harm children by interfering with hormones, reducing growth and development and increasing the risk of childhood obesity

Has Covid-19 mutated? Virus may have become more contagious in Houston which saw two disease waves, says study
Has Covid-19 mutated? Virus may have become more contagious in Houston which saw two disease waves, says study

The mutation has not made it more fatal or dangerous. Instead, it may have allowed it to spread better, say scientists who analyzed the genomes of over 5,085 Covid-19 virus strains in Houston, Texas

Mini-moon or space junk? Mystery object joining Earth's orbit could be missing booster rocket from 1960s
Mini-moon or space junk? Mystery object joining Earth's orbit could be missing booster rocket from 1960s

The rocket was a part of the Surveyor 2 mission. The spacecraft was launched on September 20, 1966, but failed to soft-land on the Moon, and the rocket disappeared

Belly fat linked to higher risk of premature death but larger hips and thighs may have an inverse effect: Study
Belly fat linked to higher risk of premature death but larger hips and thighs may have an inverse effect: Study

Each 10 cm increase in fat around the abdomen was linked with an 11% higher risk of death from all causes. The same rise in the hips led to a 10% lower risk

Can eyeglasses protect you from Covid-19? Study says it may lower risk but experts urge caution
Can eyeglasses protect you from Covid-19? Study says it may lower risk but experts urge caution

But other experts think it's too early to draw conclusions or make behavioral changes and that we need more data

NASA's three-phased Artemis Mission's plan to put first woman on Moon in 2024 to cost $28 billion
NASA's three-phased Artemis Mission's plan to put first woman on Moon in 2024 to cost $28 billion

NASA said the $28 billion represents the costs associated for the next four years in the Artemis program to land on the Moon

Regular exercise, no smoking may increase lifespan of people with high BP and other chronic diseases
Regular exercise, no smoking may increase lifespan of people with high BP and other chronic diseases

Six in 10 American adults struggle with chronic diseases, which are conditions that last one year or more and require ongoing medical attention or limit activities of daily living or both

FDA to issue strict guidelines for Covid-19 vaccines, may squash Trump's plan of getting one ready by November
FDA to issue strict guidelines for Covid-19 vaccines, may squash Trump's plan of getting one ready by November

The new guidelines are unlikely to go the convalescent plasma and hydroxychloroquine way: both of which received emergency approval following Trump's lobbying efforts

Arctic ice cover drops to second-lowest record after 2012, are we heading towards a seasonally frost-free ocean?
Arctic ice cover drops to second-lowest record after 2012, are we heading towards a seasonally frost-free ocean?

'It's been a crazy year up north, with sea ice at a near-record low, 100-degree Fahrenheit heatwaves in Siberia and massive forest fires,' Mark Serreze, director of NSIDC, said

Saturn's moon Enceladus has fresh ice on its northern hemisphere: Scientists
Saturn's moon Enceladus has fresh ice on its northern hemisphere: Scientists

Enceladus is 25 times smaller than Earth and the surface hides an underground ocean, where scientists hope to find extraterrestrial life

Fauci says people need to wear face masks through 2021 even if we have a Covid-19 vaccine
Fauci says people need to wear face masks through 2021 even if we have a Covid-19 vaccine

The reason is partly because the first batch of vaccines are unlikely to be perfect enough to shield people from Covid-19, experts said

Sleeping too less or too much could lead to decline in memory and other mental abilities, finds study
Sleeping too less or too much could lead to decline in memory and other mental abilities, finds study

The findings call for monitoring sleep duration, especially among middle-aged and older individuals who get as low as four hours or as high as 10 hours of sleep each night

Wealthiest 1% of world's population emitted more carbon dioxide than 3 billion people from poorer half: Report
Wealthiest 1% of world's population emitted more carbon dioxide than 3 billion people from poorer half: Report

Further, roughly 630 million people, who make up the richest 10% of the world population, were responsible for over 52% of carbon dioxide emissions, the report said

US Covid-19 death toll nears 200,000 mark, experts predict spike in infections in December: 'Winter is coming'
US Covid-19 death toll nears 200,000 mark, experts predict spike in infections in December: 'Winter is coming'

President Donald Trump said this number would mean that 'we all together have done a very good job.' However, experts have disagreed

Russia claims 'Venus is a Russian planet' after scientists find that microbial life may exist on Earth's twin
Russia claims 'Venus is a Russian planet' after scientists find that microbial life may exist on Earth's twin

Roscosmos chief Dmitry Rogozin said that the Soviet Union was 'the first and only one' to land a spacecraft on Venus, so they shouldn't be lagging behind in discovering more about the 'Russian planet'

The Great Cosmic Diamond Rush: Study says exoplanets possible with diamonds in cores but unlikely to host life
The Great Cosmic Diamond Rush: Study says exoplanets possible with diamonds in cores but unlikely to host life

These alien worlds are likely carbon-rich and would need certain ingredients to produce the precious element: water, high heat and high pressure

Hospitalized pregnant women infected with Covid-19 may face higher risk of preterm delivery, CDC says
Hospitalized pregnant women infected with Covid-19 may face higher risk of preterm delivery, CDC says

Against this backdrop, the CDC advises pregnant women to avoid close contact with Covid-19 positive patients or those suspected of having the illness

Getting just 2 minutes of exercise before studying or working can help you perform better, finds study
Getting just 2 minutes of exercise before studying or working can help you perform better, finds study

Exercising for 2 minutes to 1 hour at moderate to high-intensity levels can improve attention, concentration, and learning and memory functions

NASA is looking to mine the Moon and exploit its resources, calls for proposals from private companies
NASA is looking to mine the Moon and exploit its resources, calls for proposals from private companies

The development comes after President Donald Trump signed an executive order this year, greenlighting moon mining efforts.

School closures linked to rise in depression and suicide, CDC report shows asymptomatic kids can spread Covid-19
School closures linked to rise in depression and suicide, CDC report shows asymptomatic kids can spread Covid-19

A new study suggests that though school closures have prevented 2% to 4% of deaths, they cut off children from their peers, teachers, extended family and community networks

People living in mountain regions have distinct psychological traits, Wild West mentality lingers: Study
People living in mountain regions have distinct psychological traits, Wild West mentality lingers: Study

The harsh and remote environment of mountainous frontier regions historically attracted nonconformist European settlers strongly motivated by a sense of freedom

People who pass out after heavy drinking may have double the risk of developing dementia later in life: Study
People who pass out after heavy drinking may have double the risk of developing dementia later in life: Study

The findings suggest that alcohol-induced loss of consciousness, irrespective of overall alcohol consumption, is associated with a subsequent increase in the risk of dementia

Restaurant diners at higher risk of catching Covid-19, air circulation may be responsible: CDC study
Restaurant diners at higher risk of catching Covid-19, air circulation may be responsible: CDC study

Adults who tested positive were about twice as likely to have eaten out 14 days before the illness struck, according to the CDC

Can probiotics keep space travelers healthy during long journeys? Scientists say it holds great promise
Can probiotics keep space travelers healthy during long journeys? Scientists say it holds great promise

Microgravity causes bone and muscle loss in astronomers and exposure to radiation increases the risk of cancers

Vaping in US teens drops in 2020 after crackdown, but disposable e-cigarettes are getting popular: CDC
Vaping in US teens drops in 2020 after crackdown, but disposable e-cigarettes are getting popular: CDC

Early this year, the Trump administration banned flavored e-cigarettes in refillable cartridge-based e-cigarettes, barring menthol and tobacco

Covid-19 cases among children soar past half a million, tally rose by 16% in just two weeks: Report
Covid-19 cases among children soar past half a million, tally rose by 16% in just two weeks: Report

The experts also urge Americans to get their flu shots to stay protected as the flu season is approaching

High blood pressure, diabetes could slow thinking and memory in middle-aged people, raise dementia risk later
High blood pressure, diabetes could slow thinking and memory in middle-aged people, raise dementia risk later

The conditions change the structure of the brain, thereby lowering memory and thinking skills

Children's privacy could be violated as advertisers may access their digital data with law unenforced: Study
Children's privacy could be violated as advertisers may access their digital data with law unenforced: Study

Of the 451 digital apps tested in the study, two-thirds collected data collected and shared them with third-party businesses

Childhood Obesity Awareness Month: Probiotics and a healthy diet can help children fight obesity, finds study
Childhood Obesity Awareness Month: Probiotics and a healthy diet can help children fight obesity, finds study

According to the Centers for Disease Control and Prevention (CDC), the prevalence of obesity among American children and adolescents aged between 2 and 19 years stood at 18.5%

Mars solar eclipse accompanied by strange phenomenon that may help understand Red Planet better, says study
Mars solar eclipse accompanied by strange phenomenon that may help understand Red Planet better, says study

Recording the strange phenomenon is NASA's Insight Lander, which is tasked with studying Mars interiors

Could social unrest follow Covid-19 pandemic? Experts say past epidemics have been 'incubators' of civil strife
Could social unrest follow Covid-19 pandemic? Experts say past epidemics have been 'incubators' of civil strife

Inequality, xenophobia and forced policies have create tensions among the public in the past, according to experts

Children use both brain hemispheres to learn languages and also recover from head injuries
Children use both brain hemispheres to learn languages and also recover from head injuries

The finding suggests a possible reason why children appear to recover from brain injuries a lot easier than adults, according to the research team

Does space travel affect astronauts' brains? Study shows evidence of 'substantial' adaptation to weightlessness
Does space travel affect astronauts' brains? Study shows evidence of 'substantial' adaptation to weightlessness

Experts scanned the astronauts' brains before and after spaceflight, and then again seven months later. The images showed an increase in the mass of brain tissues that are thought to control movement

Covid-19 superspreaders, young people should get vaccine after healthcare workers to protect elderly: Experts
Covid-19 superspreaders, young people should get vaccine after healthcare workers to protect elderly: Experts

The approach, according to the experts, will shield the elderly and the vulnerable population from the infection

Sun may have had a sibling in the past, both may have trapped the mysterious Oort cloud and Planet Nine: Study
Sun may have had a sibling in the past, both may have trapped the mysterious Oort cloud and Planet Nine: Study

The Oort cloud, which occupies the far reaches of the solar system, is a strange place: unlike most objects that have a disc-like orbit, this one looks like a spherical bubble wrapping the sun, planets, and their moons, along with other asteroids

Why do we remember old memories so well even after years? Study suggests sleep could be responsible
Why do we remember old memories so well even after years? Study suggests sleep could be responsible

Understanding how the brain manages to safeguard our memories could help experts design new treatment strategies for Alzheimer's

Northeastern University expels 11 students gathered in Boston hotel room for violating Covid-19 protocols
Northeastern University expels 11 students gathered in Boston hotel room for violating Covid-19 protocols

More than 50,000 Covid-19 cases have emerged from universities and colleges

Heavy use of video games and less time in nature may affect mental health in kids and adolescents: Study
Heavy use of video games and less time in nature may affect mental health in kids and adolescents: Study

Parents can ensure that children get their dose of nature by ensuring they have close access to safe and high-quality green spaces, say experts

Rust discovered on Moon despite lack of water and oxygen, startled scientists examine if Earth is responsible
Rust discovered on Moon despite lack of water and oxygen, startled scientists examine if Earth is responsible

Finding more rust on the side facing Earth suggests that it may have some connection with our planet, say experts

Sleep experts call for an end to daylight saving time as it impacts health and may lead to more accidents
Sleep experts call for an end to daylight saving time as it impacts health and may lead to more accidents

Daylight saving time does more harm than good, warn sleep experts

CDC refutes claims of 180,000 Covid-19 deaths in US being an exaggeration, Dr Fauci slams bogus QAnon post
CDC refutes claims of 180,000 Covid-19 deaths in US being an exaggeration, Dr Fauci slams bogus QAnon post

The bogus post, which has been heavily promoted by followers of the QAnon conspiracy group, targeted the CDC, accusing them of quietly changing the number of deaths to about 9,210 on its website

Being generous and compassionate may boost well-being and could help young people find purpose in life: Study
Being generous and compassionate may boost well-being and could help young people find purpose in life: Study

According to the Centers for Disease Control and Prevention, having a high sense of well-being may lead to a decreased risk of disease, illness, injury, and an increased lifespan

AstraZeneca halts phase 3 trials of Covid-19 vaccine after participant develops adverse reactions
AstraZeneca halts phase 3 trials of Covid-19 vaccine after participant develops adverse reactions

The company said that it is a routine action that is taken whenever there is a potentially unexplained illness in one of the trials

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