53.6M metric tonnes of e-waste, equaling weight of 350 cruise ships, generated globally in 2019: UN
53.6M metric tonnes of e-waste, equaling weight of 350 cruise ships, generated globally in 2019: UN

E-waste is a health and environmental hazard, containing toxic additives or hazardous substances such as mercury, which damages the human brain and/or coordination system
Sleep issues among infants and young children linked to mental health disorders in adolescence, study reveals
Sleep issues among infants and young children linked to mental health disorders in adolescence, study reveals

Waking up frequently at night at 18 months and irregular sleep at 6 and 30 months and 5.8 years were associated with psychotic experiences in children ages 12 and 13
Children, teens may transmit Covid-19 despite high proportion of mild or asymptomatic infections, says study
Children, teens may transmit Covid-19 despite high proportion of mild or asymptomatic infections, says study

Analysis shows viral load is comparable to that of adults and that symptomatic children of all ages shed infectious virus in early acute illness, a prerequisite for further transmission
July 4 fireworks emit toxic metals, can cause permanent damage to human cells and animal lungs, research shows
July 4 fireworks emit toxic metals, can cause permanent damage to human cells and animal lungs, research shows

The findings suggest 'Black Cuckoo', a fountain-style firework is most toxic, 10 times more damaging to human cells than other fire crackers
Exposed 'remnant' core of gas giant 730 light years away is helping scientists study the planet's interiors
Exposed 'remnant' core of gas giant 730 light years away is helping scientists study the planet's interiors

Located approximately 730 light years away, TOI 849 b orbits so close to its host star that a year is a mere 18 hours and its surface temperature is around 1,800K
1 in 4 coronavirus patients in US didn't know how they got infected, suggesting community spread: CDC
1 in 4 coronavirus patients in US didn't know how they got infected, suggesting community spread: CDC

Case investigation, contact tracing, isolation of infected persons as well as social distancing and more widespread use of cloth face coverings are warranted, says the agency
NASA's open-source pendant will stop you from touching your face and help fight coronavirus
NASA's open-source pendant will stop you from touching your face and help fight coronavirus

Called PULSE, the pendant is a 3D-printed wearable device that pulses or vibrates when a person’s hand is nearing their face
South Pole warming three times faster than global average due to atmospheric pressure, rise in greenhouse gases
South Pole warming three times faster than global average due to atmospheric pressure, rise in greenhouse gases

The analysis of weather station data shows it has warmed by 1.8℃ between 1989 and 2018, changing more rapidly since the start of the 2000s
Classroom contact may lead to Covid-19 spread, warns CDC while medical body says schools should reopen by fall
Classroom contact may lead to Covid-19 spread, warns CDC while medical body says schools should reopen by fall

Widespread school closures have mostly eliminated the risk for classroom transmission of coronavirus, says the agency’s report
A new pandemic? Swine influenza virus seen in China could go global, experts call for urgent steps to control it
A new pandemic? Swine influenza virus seen in China could go global, experts call for urgent steps to control it

With no prior exposure to the virus, most people do not have immunity to these viruses
Super-Earths found around nearby star offer clues for studying exoplanet atmospheres and extraterrestrial life
Super-Earths found around nearby star offer clues for studying exoplanet atmospheres and extraterrestrial life

At roughly 11 light-years away, GJ 887 or Gliese 887 is the 12th closest star system to the Sun and the brightest red dwarf star in the sky. The multi-planetary system is home to at least two, and perhaps three, super-Earth sized exoplanets
Number of wild animals killed on US roads fell by 58% as traffic reduced due to coronavirus lockdown: Study
Number of wild animals killed on US roads fell by 58% as traffic reduced due to coronavirus lockdown: Study

The analysis suggests that due to a reduction in vehicle traffic, fatal collisions with wild animals dropped by 21%, 38% and 44% for California, Idaho and Maine
Is it a black hole? A neutron star? Scientists find mystery object inside puzzling area known as ‘mass gap’
Is it a black hole? A neutron star? Scientists find mystery object inside puzzling area known as ‘mass gap’

Scientists have so far believed that dying stars do not leave remnants, whatever their nature, with a mass between 2.5 and 5 times the mass of the Sun
Both smoking and vaping harden arteries and increase risk of heart, lung damage, says study
Both smoking and vaping harden arteries and increase risk of heart, lung damage, says study

The analysis compared the effects of three forms of smoking and vaping on human health, which include tobacco cigarettes, e-cigarettes or waterpipes
Wet market ban not enough, human interactions with animals must change to prevent another pandemic: Experts
Wet market ban not enough, human interactions with animals must change to prevent another pandemic: Experts

As per experts, simplistic measures such as bans can be difficult to implement, so they must be carefully planned to prevent the proliferation of illegal trade
Coronavirus pandemic could lead to baby bust with nearly half a million fewer births in the US, predicts study
Coronavirus pandemic could lead to baby bust with nearly half a million fewer births in the US, predicts study

Researchers examined data from previous studies on fertility in the US during the recession of 2007-2009 and the 1918 influenza pandemic to forecast 300,000-500,000 fewer births next year
Lightning ‘megaflash’ stretching over 700km and another lasting 16.7 seconds break distance, duration records
Lightning ‘megaflash’ stretching over 700km and another lasting 16.7 seconds break distance, duration records

Megaflashes are far-larger lightning strikes that reach hundreds of kilometers in length. The new records, verified with new satellite lightning imagery technology, are more than double the previous values
Pregnant women may be at greater risk of severe Covid-19 illness but aren't more likely to die: CDC
Pregnant women may be at greater risk of severe Covid-19 illness but aren't more likely to die: CDC

The study of 8,207 pregnant women highlights the importance of pregnant patients being prioritized for a coronavirus vaccine once it becomes available
Actual US coronavirus cases may be over 20 million, 10 times higher than official count: CDC
Actual US coronavirus cases may be over 20 million, 10 times higher than official count: CDC

People of any age with certain underlying medical conditions are at increased risk for severe illness from Covid-19, warns new advisory
Discovery of Neptune-sized planet orbiting young, nearby star may help scientists understand how planets form
Discovery of Neptune-sized planet orbiting young, nearby star may help scientists understand how planets form

The new planet AU Mic b orbits around AU Mic, which is around 20 million to 30 million years old, making it a stellar infant compared to our Sun that is at least 150 times older
BLM protests haven't led to rise in Covid-19 cases in US as many stayed home over safety concerns, claims study
BLM protests haven't led to rise in Covid-19 cases in US as many stayed home over safety concerns, claims study

The experts said individuals who didn't wish to attend the protests, perhaps due to fear of violence, may have chosen to avoid public spaces
Texas coronavirus cases hit all-time daily high as Houston hospitals fear they may exceed ICU capacity
Texas coronavirus cases hit all-time daily high as Houston hospitals fear they may exceed ICU capacity

The Texas Medical Center said 97% of its ICU capacity is in use, which includes 27% Covid-19 patients and 70% non-Covid-19 patients
Why do more women have Alzheimer's than men? It may be linked to hormonal changes and estrogen loss, says study
Why do more women have Alzheimer's than men? It may be linked to hormonal changes and estrogen loss, says study

The study says changes in brain imaging features, or biomarkers in the brain, suggesting menopausal status may be the best predictor of Alzheimer's related brain changes in women. 
Black people three times more likely to be killed than white people during contact with US police, finds study
Black people three times more likely to be killed than white people during contact with US police, finds study

Rates of police-related fatalities vary in the US and some metros have death rates 9 times than those of other cities
Anthony Fauci warns of 'disturbing surge' in Covid-19 cases, contradicts Trump saying US will increase testing
Anthony Fauci warns of 'disturbing surge' in Covid-19 cases, contradicts Trump saying US will increase testing

The NIAID chief said next few weeks will be critical in addressing the increase in cases and that the federal government will expand testing
People with inflammatory bowel disease twice as likely to develop dementia than those without it: Study
People with inflammatory bowel disease twice as likely to develop dementia than those without it: Study

Of all the dementias, the risk for Alzheimer's disease was greatest: those with IBD were six times as likely to develop this as compared to those without the chronic inflammatory condition
Cyberbullying linked to post-traumatic stress disorder for both victims and bullies, find researchers
Cyberbullying linked to post-traumatic stress disorder for both victims and bullies, find researchers

More than a third of cyber victims (35%), more than one in four (29.2%) of the cyberbullies, and a similar proportion (28.6%) of those who were both, presented clinically significant PTSD symptoms
Arctic Circle may have recorded its highest-ever temperature as Siberian town hits 100.4°F
Arctic Circle may have recorded its highest-ever temperature as Siberian town hits 100.4°F

The temperature was recorded in Verkhoyansk and while the World Meteorological Organization has accepted the observation as a new extreme, the record needs to be verified
Early coronavirus infection rate in the US may have been 80 times more than initially thought, finds study
Early coronavirus infection rate in the US may have been 80 times more than initially thought, finds study

The findings support a scenario where more than 8.7M new Covid-19 infections appeared in the US during March and estimate that more than 80% of these cases were unidentified
Smoking, divorce and alcohol abuse are biggest drivers of death rate in the US, finds study
Smoking, divorce and alcohol abuse are biggest drivers of death rate in the US, finds study

The research team analyzed survey data collected from 13,611 adults in the US between 1992 and 2008 and identified which factors applied to those who died between 2008 and 2014
New York City sees sharp rise in out-of-hospital cardiac arrests, deaths during coronavirus pandemic
New York City sees sharp rise in out-of-hospital cardiac arrests, deaths during coronavirus pandemic

Researchers found a three-fold increase in such cases in March and April 2020 compared to the same period in 2019
Hubble captures ‘crazy fireworks’ resulting from violent and chaotic deaths of two stars in stunning detail
Hubble captures ‘crazy fireworks’ resulting from violent and chaotic deaths of two stars in stunning detail

The Hubble took images of two nearby young planetary nebulas — NGC 6303 or the Butterfly Nebula, and NGC 7027. A nebula is a giant cloud of dust and gas in space
Climate change may cause pregnant women to have premature or stillborn babies, black mothers most at risk: Study
Climate change may cause pregnant women to have premature or stillborn babies, black mothers most at risk: Study

The review analyzed over 32 million births across 68 studies, of which 84% found a significant association of air pollutants and heat exposure with adverse birth outcomes
CDC's early coronavirus test kits were faulty because of 'likely' contamination, confirms federal review
CDC's early coronavirus test kits were faulty because of 'likely' contamination, confirms federal review

The CDC reportedly did not check the kits despite 'anomalies' during manufacturing
US halts clinical trial of Trump-touted hydroxychloroquine after finding no benefit to coronavirus patients
US halts clinical trial of Trump-touted hydroxychloroquine after finding no benefit to coronavirus patients

Participants in the study will now continue to receive standard of care and follow up as indicated for their condition, says the NIH
Early signs of adult type 2 diabetes visible in children as young as 8 years old, study reveals
Early signs of adult type 2 diabetes visible in children as young as 8 years old, study reveals

The analysis shows that certain types of HDL cholesterol or good cholesterol were reduced at age 8 before other types of cholesterol, including low-density lipoprotein or bad cholesterol, were raised
17 Virginia men suffer dangerously low blood sugar after using over-the-counter sexual enhancement supplements
17 Virginia men suffer dangerously low blood sugar after using over-the-counter sexual enhancement supplements

Tested samples of the tablet marketed as 'V8' contained 90-100 mg of glyburide, a dose 5 to 10 times higher than that used in the treatment of diabetes
Coronavirus patients not showing symptoms may have weaker immune responses to disease: Study
Coronavirus patients not showing symptoms may have weaker immune responses to disease: Study

Asymptomatic patients shed the virus for a longer period as compared to those who have symptoms. Study findings suggest that there are potential risks of using Covid-19 ‘immunity passports’

Tools that help US doctors make key decisions on birth, heart surgery, kidney care are racially biased: Study
Tools that help US doctors make key decisions on birth, heart surgery, kidney care are racially biased: Study

Researchers found many 'race-adjusted algorithms' guide decisions in ways that may direct more attention or resources to white patients than to members of racial and ethnic minorities
Bright patches seen decades ago on Saturn’s moon Titan could be dry lake beds, say scientists 
Bright patches seen decades ago on Saturn’s moon Titan could be dry lake beds, say scientists 

The suggestion, published June 16 in Nature Communications, may solve a 20-year-old mystery
Children and teenagers half as likely to get infected with coronavirus than people older than 20 years: Study
Children and teenagers half as likely to get infected with coronavirus than people older than 20 years: Study

An estimated 21% of those in 10 to 19 age group are likely to show symptoms compared with 69% in people aged 70 years and above
Less than 50% of public health agencies monitor ticks in US and only 12% involve in control measures: Study
Less than 50% of public health agencies monitor ticks in US and only 12% involve in control measures: Study

Pathogen testing is needed to understand tick-borne disease risk to communities, but the study found that only a quarter of tick-management programs test ticks for disease-causing germs
Is there anybody out there? Scientists say there could be 36 intelligent civilizations active in our galaxy
Is there anybody out there? Scientists say there could be 36 intelligent civilizations active in our galaxy

The average distance to these alien civilizations would be 17,000 light-years away, making detection and communication very difficult
1 in 5 people at risk of severe coronavirus infection due to underlying health conditions: Study
1 in 5 people at risk of severe coronavirus infection due to underlying health conditions: Study

Hospitalizations in the US were six times higher and deaths 12 times higher among those with reported underlying conditions
Green glow seen in Mars atmosphere: What is it and how did we spot it?
Green glow seen in Mars atmosphere: What is it and how did we spot it?

It is caused by sunlight releasing oxygen atoms from carbon dioxide. The detection was made by ExoMars Trace Gas Orbiter, which has been orbiting Mars since October 2016
Human-made mercury has polluted bottom of the deepest part of Pacific Ocean in Marianas Trench, studies reveal
Human-made mercury has polluted bottom of the deepest part of Pacific Ocean in Marianas Trench, studies reveal

This has significant implications for how mercury affects the marine environment, and how it may be concentrated in the food chain, say scientists
Is there an AIDS vaccine? Trump may think it exists, but here's a look at the actual status of the vaccine
Is there an AIDS vaccine? Trump may think it exists, but here's a look at the actual status of the vaccine

Currently, people living with HIV have access to life-saving treatment with HIV medicines, called antiretroviral therapy or ART. However, a cure or vaccine for AIDS is currently not available
Asthma prevalence found three times higher in children with disabilities, US study confirms
Asthma prevalence found three times higher in children with disabilities, US study confirms

The analysis shows that about 1 in 6 children or approximately 16 percent kids with a disability or developmental delay had simultaneous asthma
FDA approves video game to treat children with ADHD in landmark move
FDA approves video game to treat children with ADHD in landmark move

The game-based device called EndeavorRx is meant for pediatric patients ages 8 to12 years and will improve attention function in ADHD cases
FDA pulls emergency use of hydroxychloroquine hyped by Trump for treating Covid-19, says it could pose risks
FDA pulls emergency use of hydroxychloroquine hyped by Trump for treating Covid-19, says it could pose risks

The agency listed 347 adverse events in Covid-19 patients taking hydroxychloroquine, and 38 in those taking chloroquine. It also found 109 cases with serious cardiac episodes, of which 25 died

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