News for '-particle'

Farm fires from Punjab choke Delhi, AAP blames Centre

Farm fires from Punjab choke Delhi, AAP blames Centre

Rediff.com3 Nov 2022

The increase in stubble burning has kicked off a political slugfest, with Union Environment Minister Bhupender Yadav on Wednesday saying that there had been a 19 per cent rise in farm fires over 2021 in Punjab and that the Aam Aadmi Party had turned the national capital into a gas chamber.

Mega clean-up drive in full swing post Noida twin tower demolition

Mega clean-up drive in full swing post Noida twin tower demolition

Rediff.com30 Aug 2022

While Emerald Court would take one more day to be cleaned, the work at ATS Village could extend up to seven days due to more rubble and dust on the premises, according to officials.

India home to 18 of 20 cities with most severe rise in PM2.5 pollution: Report

India home to 18 of 20 cities with most severe rise in PM2.5 pollution: Report

Rediff.com17 Aug 2022

The report Air Quality and Health in Cities combined ground-based air quality data with satellites and models to produce air quality estimates for cities around the world.

Delhi's air 'very poor' again due to high humidity

Delhi's air 'very poor' again due to high humidity

Rediff.com7 Nov 2019

On Sunday, too, a drizzle resulted in an increase in humidity, triggering a massive pollution spike.

7 Foods Bad for Your Teeth

7 Foods Bad for Your Teeth

Rediff.com2 Jun 2022

Dr Karishma Jaradi explains how excessive consumption of tea, coffee and lemon can be detrimental to healthy teeth.

Delhi gasps for breath: Govt orders 50% WFH, primary schools shut

Delhi gasps for breath: Govt orders 50% WFH, primary schools shut

Rediff.com4 Nov 2022

Delhi Chief Minister Arvind Kejriwal announced that primary schools will be closed from Saturday in view of spike in pollution levels in the national capital.

8 Tips To Fight Bad Breath

8 Tips To Fight Bad Breath

Rediff.com14 Mar 2022

Ensure you drink about 6-to-8-glasses of water every day to escape dryness of the mouth.

Delhi's air 'very poor' on morning after Diwali but better than previous yrs

Delhi's air 'very poor' on morning after Diwali but better than previous yrs

Rediff.com25 Oct 2022

According to forecasting agencies, the city is set to record its best air quality for the day after Diwali since 2015 on Tuesday.

Delhi's air quality severe, relief unlikely soon

Delhi's air quality severe, relief unlikely soon

Rediff.com9 Nov 2020

The central government's Air Quality Early Warning System for Delhi said a "significant improvement in air quality is not likely" owing to slow wind speed, particularly during night time, and contribution from farm fires.

Delhi's air quality 'severe', likely to remain so on Diwali

Delhi's air quality 'severe', likely to remain so on Diwali

Rediff.com7 Nov 2020

Experts said while meteorological conditions were "moderately" favourable for dispersion of pollutants, a "very high" number of farm fires in Punjab was the primary reason for "severe" air quality.

Elite athletes at risk of coronavirus spread to lungs

Elite athletes at risk of coronavirus spread to lungs

Rediff.com29 Apr 2020

The research suggests that due to strenuous exercise, elite athletes are more likely to inhale virus particles and direct them to the lower areas of the lung.

Video: Hina Khan shows how to wear the mask correctly

Video: Hina Khan shows how to wear the mask correctly

Rediff.com19 Mar 2020

Hina Khan's tutorial on how to wear the mask right in this video.

After Chandrayaan-2, ISRO ready for solar mission next year

After Chandrayaan-2, ISRO ready for solar mission next year

Rediff.com22 Jul 2019

Aditya-L1 is meant to observe the corona, which are the outer layers of the Sun, extending to thousands of kilometres.

Aerosols carrying Covid virus can travel in air up to 10m: Centre

Aerosols carrying Covid virus can travel in air up to 10m: Centre

Rediff.com21 May 2021

Nasal droplets fall within 2 metres from a COVID-19 infected person and the aerosols can travel in air up to 10 metres, the Office of the Principal Scientific Adviser said on Thursday, adding that proper ventilation can decrease the risk of transmission.

Safe Holi: How To Pick Organic Colours

Safe Holi: How To Pick Organic Colours

Rediff.com17 Mar 2022

It is important to do a small skin test before buying colours for Holi. Natural colours would wash off with water without leaving any marks

Omicron: What Mask Should I Wear?

Omicron: What Mask Should I Wear?

Rediff.com29 Nov 2021

'Every time you put on a mask and take the mask off and adjust the fit, you are putting additional fatigue on the materials.'

India's Worst Mountaineering Tragedy

India's Worst Mountaineering Tragedy

Rediff.com10 Oct 2022

27 mountaineers perished in an avalanche in the mountains of Uttarakhand last week. The mountaineers were returning from a trek to the Draupadi's Danda mountain peak when disaster struck at 8.45 am in the morning.

Air pollution may hinder India's fight against COVID-19: Scientists

Air pollution may hinder India's fight against COVID-19: Scientists

Rediff.com27 Oct 2020

Long-term exposure to chronically high PM2.5 levels weakens the ability of the lungs to fend off infections, therefore making people more susceptible to COVID-19, the scientists said.

Beijing turns yellow as city sees worst sandstorm

Beijing turns yellow as city sees worst sandstorm

Rediff.com15 Mar 2021

The Chinese capital Beijing was shrouded in thick brown dust on Monday morning as a result of heavy winds blowing in from Inner Mongolia and other parts of northwestern China.

N95 masks most effective at stopping COVID-19 spread: Scientists

N95 masks most effective at stopping COVID-19 spread: Scientists

Rediff.com26 Aug 2020

The N95 masks reduced a cough's initial velocity by up to a factor of 10, and limit its spread to between 0.1 and 0.25 meters, the researchers said.

India saw 23.5 lakh pollution deaths in 2019, highest in world

India saw 23.5 lakh pollution deaths in 2019, highest in world

Rediff.com18 May 2022

In India, air pollution is most severe in the Indo-Gangetic Plain (northern India), where topography and meteorology concentrate pollution from energy, mobility, industry, agriculture, and other activities, the researchers said.

Vaccine-generated antibodies no shield against Omicron, says study, booster a must

Vaccine-generated antibodies no shield against Omicron, says study, booster a must

Rediff.com2 Mar 2022

Antibodies produced by two doses of mRNA vaccines against the original and early variants of the SARS-CoV-2 virus wane substantially over time, and offer essentially no protection against Omicron, according to a study that highlights the importance of a booster dose.

'Strong evidence' COVID-19 predominantly spreads through air: Study

'Strong evidence' COVID-19 predominantly spreads through air: Study

Rediff.com16 Apr 2021

The researchers noted that transmission rates of SARS-CoV-2 are much higher indoors than outdoors, and transmission is greatly reduced by indoor ventilation.

'Increase in air pollution affects Covid patients'

'Increase in air pollution affects Covid patients'

Rediff.com30 Nov 2020

'Covid patients have infected lungs and the pollutants will further damage it.'

Is COVID-19 like a thief in the night?

Is COVID-19 like a thief in the night?

Rediff.com17 Aug 2020

'COVID-19 comes in, we have our immune response, the immune response overtakes COVID-19 in no time, usually within a day.' 'Fortunately, the majority who get infected will also be in that first category , where there is no damage and the virus is completely overcome.'

6 feet apart may not be enough to stop COVID-19

6 feet apart may not be enough to stop COVID-19

Rediff.com20 May 2020

According to the scientists, shorter adults and children could be at higher risk if they are located within the trajectory of the saliva droplets.

Two Indian cities among world's most polluted

Two Indian cities among world's most polluted

Rediff.com4 Oct 2011

WHO estimates 1.34 million people died in 2008 from breathing in the tiny particles present in polluted outdoor air.

NASA reveals stunning images of blue skies on Pluto

NASA reveals stunning images of blue skies on Pluto

Rediff.com9 Oct 2015

The first color images of Pluto's atmospheric hazes, returned by NASA's New Horizons spacecraft last week, reveal that the a fine blue tinge.

Delhi air quality nears 'severe' zone as farm fires shoot up

Delhi air quality nears 'severe' zone as farm fires shoot up

Rediff.com29 Oct 2020

The central government's Air Quality Early Warning System for Delhi said a significant increase in the number of "fire points" was observed over Punjab (around 3,000), Haryana and Uttar Pradesh on Wednesday, which is likely to impact the air quality of Delhi-NCR and other parts of northwest India.

Scientists developing chewing gum that could reduce Covid spread

Scientists developing chewing gum that could reduce Covid spread

Rediff.com6 Dec 2021

The researchers noted that people who are fully vaccinated can still become infected with SARS-CoV-2 and can carry a viral load similar to those who are unvaccinated.

Revamped 'Big Bang' machine successfully restarts after 2-year shutdown

Revamped 'Big Bang' machine successfully restarts after 2-year shutdown

Rediff.com6 Apr 2015

The Large Hadron Collider has restarted, with protons circling the machine's 27km tunnel for the first time since 2013

India gets ready for Diwali

India gets ready for Diwali

Rediff.com2 Nov 2020

India is gearing up for the Festival of Lights in the times of the pandemic.

The Indian link in the Higgs Boson discovery

The Indian link in the Higgs Boson discovery

Rediff.com6 Jul 2012

"I hate to call it the God particle," says Bihar-born Professor Vivek Sharma, one of the first people to know about the existence of the Higgs Boson, which scientists say is key to understanding the universe in an interview to George Joseph

The Indian link in the Higgs Boson discovery

The Indian link in the Higgs Boson discovery

Rediff.com6 Jul 2012

"I hate to call it the God particle," says Bihar-born Professor Vivek Sharma, one of the first people to know about the existence of the Higgs Boson, which scientists say is key to understanding the universe in an interview to George Joseph

Pollution levels in Delhi highest since Nov last year

Pollution levels in Delhi highest since Nov last year

Rediff.com5 Nov 2020

Experts said unfavourable meteorological conditions -- calm winds and low temperatures -- and smoke from farm fires in neighbouring states led to a dense layer of haze as the air quality index entered the "severe" zone.

15% COVID-19 deaths related to air pollution: Study

15% COVID-19 deaths related to air pollution: Study

Rediff.com27 Oct 2020

The results are based on epidemiological data collected up to third week in June 2020 and the researchers say a comprehensive evaluation will need to follow after the pandemic has subsided.

'Coronavirus is airborne': Over 200 scientists write to WHO

'Coronavirus is airborne': Over 200 scientists write to WHO

Rediff.com6 Jul 2020

The WHOS has long held that the coronavirus is spread primarily by large respiratory droplets when an infected person coughs or sneezes.

Airborne coronavirus: 'Wear mask for longer time'

Airborne coronavirus: 'Wear mask for longer time'

Rediff.com8 Jul 2020

'People need not panic over new research findings that coronavirus is airborne as studies cited by a group of over 200 scientists only convey it can be 'at least temporarily' in air'

Coronavirus evolving to be better at becoming airborne: Study

Coronavirus evolving to be better at becoming airborne: Study

Rediff.com20 Sep 2021

The team led by researchers at the University of Maryland in the United States found that people infected with SARS-CoV-2 exhale infectious virus in their breath, and those infected with the Alpha variant put 43 to 100 times more virus into the air than people infected with the original strains of the virus.

India's first smog tower fails to give breathable air to Delhiites

India's first smog tower fails to give breathable air to Delhiites

Rediff.com6 Nov 2021

The 24-metre-high air purifier recorded a PM2.5 concentration of 642 micrograms per cubic metre at the inlet and 453 micrograms per cubic metre at the outlet.