Search results for ' Particl'

The Nobels and the Age Problem

The Nobels and the Age Problem

Rediff.com22 Oct 2020

Science is a young person's game. An award to a young scientist could free up that person to do productive work, or help win more grants by enhancing reputation, argues Devangshu Datta.

18% of Delhi's air pollution due to stubble burning

18% of Delhi's air pollution due to stubble burning

Rediff.com16 Oct 2020

The national capital on Friday recorded a 24-hour average air quality index of 239. On Thursday, it was 315, the worst since February 12 when the AQI was 320.

Delhi's air quality hits 'very poor' level, 1st time this season

Delhi's air quality hits 'very poor' level, 1st time this season

Rediff.com13 Oct 2020

The dip in the air quality can be attributed to low wind speed and temperatures which allowed accumulation of pollutants.

Scientists recommend 40% humidity to curb COVID-19 spread

Scientists recommend 40% humidity to curb COVID-19 spread

Rediff.com21 Aug 2020

In their review of studies, published in the journal Aerosol and Air Quality Research, the scientists specifically drew focus on relative humidity, which is a measure of water vapour in the air compared to the total saturation of vapour that can exist in the air at its current temperature.

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.

Smoky haze shrouds Delhi-NCR; air quality now 'very poor'

Smoky haze shrouds Delhi-NCR; air quality now 'very poor'

Rediff.com15 Oct 2020

Delhi recorded an air quality index of 315 at 11:10 am. The last time the air quality hit such a poor level was in February.

How will Biden deal with Iran?

How will Biden deal with Iran?

Rediff.com3 Dec 2020

The reversal of Trump's policy with regard to Iran, like the withdrawal from the Paris Agreement, may not be a matter of just turning the clock back, but one of patient negotiations, with uncertain consequences in the post-COVID-19 world, observes Ambassador T P Sreenivasan.

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'

Tokyo 2020 logo satire pulled after furore

Tokyo 2020 logo satire pulled after furore

Rediff.com22 May 2020

He said it was an infringement of copyright but did not threaten legal action.

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.

10 super foods to boost your immunity

10 super foods to boost your immunity

Rediff.com25 Sep 2020

Nutritionist Dr Siddhant Bhargava explains the importance of essential nutrients, probiotic food and vitamin C in your daily diet.

Can you spread COVID-19 by talking?

Can you spread COVID-19 by talking?

Rediff.com16 May 2020

Why a new study suggests you wear a face mask when you speak to anyone.

Scientists sceptical about Russia's COVID-19 vaccine

Scientists sceptical about Russia's COVID-19 vaccine

Rediff.com12 Aug 2020

Scientists around the world, including in India, suggest it hasn't been tested properly given the time constraint and there may not be enough evidence to prove its efficacy.

What Bollywood is up to today

What Bollywood is up to today

Rediff.com8 May 2020

Showbiz folk are doing their best to keep their spirits high in these trying times, posting revealing thoughts on Instapix.

Cotton, silk, chiffon best materials for masks: Study

Cotton, silk, chiffon best materials for masks: Study

Rediff.com25 Apr 2020

The scientists assessed the ability of common fabrics, alone or in combination, to filter out aerosols similar in size to respiratory droplets.

Virus can travel 20 feet, 6 ft inadequate: Study

Virus can travel 20 feet, 6 ft inadequate: Study

Rediff.com27 May 2020

From these past studies, the scientists said both the aerodynamics of the droplets, and their heat and mass exchange process with the environment can determine the effectiveness of virus prohttps://www.rediff.com/news/report/pix-how-indians-are-maintaining-social-distance/20200326.htmpagation.

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.

'Surveillance can't go down because the curve is going down'

'Surveillance can't go down because the curve is going down'

Rediff.com29 Dec 2020

'Even after vaccines are given, precautions like using a mask and maintaining social distancing have to be taken.'

Scientists unveil findings on 'God Particle'

Scientists unveil findings on 'God Particle'

Rediff.com4 Jul 2012

The elusive Higgs boson, or the "God Particle" that may solve the fundamental questions about the formation of the universe has been found, scientists are likely to announce on Wednesday.

India's COVID-19 lockdown brings clean air, blue skies

India's COVID-19 lockdown brings clean air, blue skies

Rediff.com23 Apr 2020

Less than six months ago, Delhi was gasping for breath. Authorities said air quality had reached "unbearable levels". Schools were shut, flights were diverted, and people were asked to wear masks, avoid polluted areas and keep doors and windows closed. But during the lockdown that began on Mar 22, the concentration of poisonous PM2.5 particles in a cubic metre of air averaged at 44.18, according to a Reuters analysis of government data, indicating a rare "good" rating, the safest level on the scale.

'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.

'COVID-19 can quietly enter your body, without causing pain'

'COVID-19 can quietly enter your body, without causing pain'

Rediff.com3 Dec 2020

'The COVID-19 virus has the power to quietly enter your body, without causing pain via symptoms, because it craftily manipulates your pain response.'

Unwarranted to think COVID-19 will vanish in summer: Virologist

Unwarranted to think COVID-19 will vanish in summer: Virologist

Rediff.com11 May 2020

The arrival of summer in India may have raised hopes that hot and humid weather could slow the COVID-19 progression but virologist Naga Suresh Veerapu believes that outbreak and pandemic occurrences often do not follow seasonality.

WFH: Vacuum cleaners, dishwashers. Check it out!

WFH: Vacuum cleaners, dishwashers. Check it out!

Rediff.com15 Jul 2020

Sweeping, swabbing, dusting, the dishes -- and the day ends in exhaustion even before it begins. So, it is no wonder that gadgets that can help ease the pressure are in hot demand, notes Pavan Lall.

'COVID-19 is not food-borne'

'COVID-19 is not food-borne'

Rediff.com20 Mar 2020

'It is safe to consume cooked non-vegetarian food.'

5 books I recommend reading during the lockdown

5 books I recommend reading during the lockdown

Rediff.com1 May 2020

Rediff reader Rajiv Aggarwal shared this list of books he wants everyone to read

Is COVID-19 airborne?

Is COVID-19 airborne?

Rediff.com7 Jul 2020

'Whatever modelling we have, people are saying end of July or beginning of August we will see a peak of COVID-19 in Maharashtra.' 'After which the decline will begin.'

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.

Dummies guide to the 'God Particle'

Dummies guide to the 'God Particle'

Rediff.com4 Jul 2012

Wondering what all that scientific jargon means? Confused about what the mystery of the God particle is all about? Here's a lowdown on what the scientists are seeking to do.

CERN scientists find the 'God particle'

CERN scientists find the 'God particle'

Rediff.com4 Jul 2012

The five-decade-long hunt for the elusive Higgs boson or the 'God particle' has reached a milestone, with scientists at the CERN claiming on Wednesday that they have discovered a new subatomic particle that looks like the one believed to be crucial for formation of the universe.

Violence mars COVID-19 doctor's burial in Chennai

Violence mars COVID-19 doctor's burial in Chennai

Rediff.com20 Apr 2020

Seven people, including two ambulance drivers were assaulted and 20 men have been arrested and were remanded to judicial custody.

Wow! OnePlus Concept One has 3 'invisible' cameras

Wow! OnePlus Concept One has 3 'invisible' cameras

Rediff.com10 Jan 2020

So do they actually disappear or what? Let's find out!

Row over CBSE reducing syllabus, board says one-time measure

Row over CBSE reducing syllabus, board says one-time measure

Rediff.com8 Jul 2020

The CBSE had announced that it had rationalised the syllabus for Classes 9 to 12 for the 2020-21 session by up to 30 per cent to make up for the academic loss caused due to COVID-19. However, it was the decision to drop topics related to Social Sciences which drew sharp reaction from opposition parties like the Congress, Left, Trinamool Congress, Nationalist Congress Party and Shiv Sena.

NASA/ESA spacecraft to give first images of Sun's poles

NASA/ESA spacecraft to give first images of Sun's poles

Rediff.com10 Feb 2020

Solar Orbiter is on a unique trajectory that will allow its comprehensive set of instruments to provide humanity with the first-ever images of the Sun's poles, the US space agency said. This trajectory includes 22 close approaches to the Sun, bringing the spacecraft within the orbit of Mercury to study the Sun, and its influence on space, it said.

Clinical trials of COVID-19 vaccine show promising early results: Experts

Clinical trials of COVID-19 vaccine show promising early results: Experts

Rediff.com21 May 2020

Early data from its vaccine candidate 'mRNA-1273' showed it produced protective antibodies in a group of eight healthy volunteers, Moderna said. The other closely watched COVID-19 vaccine is the one being developed by scientists at Oxford University.

'Thousands of landslides are going to happen'

'Thousands of landslides are going to happen'

Rediff.com24 Aug 2020

'The last three decades were the era of D, where D stands for deforestation, destruction, degradation, disaster, damages, diseases, difficulties... and finally it leads to death.'

This year's most beautiful panoramic photographs

This year's most beautiful panoramic photographs

Rediff.com3 Dec 2019

The Epson International Pano Awards showcases the work of panoramic photographers worldwide and is the largest specialist competition for panoramic images. This year the competition received 4913 entries from 1258 photographers in 72 countries, but the overall winner of the 2019 Open competition is Mieke Boynton from Australia - the first female to win the title. Scroll down for stunning views.

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.

Delhi breathes easier, more relief likely

Delhi breathes easier, more relief likely

Rediff.com6 Nov 2019

According to senior IMD scientist Kuldeep Srivastava, clear sky or absence of clouds allows sun rays to reach the ground, warming up the air close to the ground which lifts up and clears the pollutants.

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.'