CATEGORIES

जीवित मलेरिया परजीवी से निर्मित टीके की सफलता
Srote

जीवित मलेरिया परजीवी से निर्मित टीके की सफलता

हर वर्ष मलेरिया से लगभग चार लाख लोगों की मौत होती है। दवाइयों तथा कीटनाशक युक्त मच्छरदानी वगैरह से मलेरिया पर नियंत्रण में मदद मिली है लेकिन टीका मलेरिया नियंत्रण में मील का पत्थर साबित हो सकता है। मलेरिया के एक प्रायोगिक टीके के शुरुआती चरण में आशाजनक परिणाम मिले हैं।

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1 min  |
September 2021
कोविङ-19: विभिन्न देशों के स्कूल सम्बंधी अनुभव
Srote

कोविङ-19: विभिन्न देशों के स्कूल सम्बंधी अनुभव

पिछला एक वर्ष हम सभी के लिए चुनौती भरा दौर रहा है। एक ओर तो महामारी का दंश तथा दूसरी ओर लॉकडाउन के कारण मानसिक तनाव । साथ ही समस्त शिक्षण का ऑनलाइन हो जाना।

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1 min  |
September 2021
हबल दूरबीन लौट आई है!
Srote

हबल दूरबीन लौट आई है!

प्रतिष्ठित अंतरिक्ष दूरबीन हबल में लगभग एक महीने पहले कंप्यूटर सम्बंधी गड़बड़ी आ जाने के कारण उसने काम करना बंद कर दिया था, अब यह फिर से काम करने लगी है। साइंस पत्रिका के अनुसार दूरबीन का नियंत्रण ऑपरेटिंग पेलोड कंट्रोल कंप्यूटर से हटाकर बैकअप उपकरणों पर लाने के बाद हबल दूरबीन के सभी उपकरणों के साथ पुनः संवाद स्थापित कर लिया गया है।

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1 min  |
September 2021
संरक्षित ऊतकों से 1918 की महामारी के साक्ष्य
Srote

संरक्षित ऊतकों से 1918 की महामारी के साक्ष्य

वर्ष 1918 में उस समय के नए इन्फ्लुएंज़ा स्ट्रेन से मारे गए दो जर्मन सैनिकों के फेफड़ों से बीसवीं सदी की सबसे विनाशकारी महामारी की आणविक झलक देखने को मिली है।

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1 min  |
August 2021
समुद्री प्लास्टिक प्रदूषण पर बढ़ती चिंता
Srote

समुद्री प्लास्टिक प्रदूषण पर बढ़ती चिंता

प्लास्टिक माउंट एवरेस्ट से लेकर अंटार्कटिका तक पहुंच चुका है। हर वर्ष, लाखों टन प्लास्टिक कचरा समुद्र में बहा दिया जाता है। इनमें से कुछ बड़े टुकड़े तो समुद्र में तैरते रहते हैं, कुछ छोटे कण समुद्र के पेंदे में पहुंच जाते हैं तो कुछ का ठिकाना समुद्र की गहरी खाइयों के क्रस्टेशियन जीवों तक में होता है।

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1 min  |
August 2021
आजकल फफूंद की चर्चा हर जुबान पर
Srote

आजकल फफूंद की चर्चा हर जुबान पर

इन दिनों फफूंद के बड़े चर्चे हैं। ब्लैक फंगस, वाइट फंगस और फिर येलो फंगस । वैसे ये फफूंदें तो सहस्राब्दियों से हमारे साथ रहती आई हैं और रहेंगी। कभी दोस्त तो कभी दुश्मन बन कर।

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1 min  |
August 2021
क्या वनस्पति विज्ञान का अंत हो चुका है?
Srote

क्या वनस्पति विज्ञान का अंत हो चुका है?

पिछले दिनों सेल प्रेस रिव्यू में विज्ञान और समाज शीर्षक के अंतर्गत एक पर्चा छपा था दी एंड ऑफ बॉटनी । यह पर्चा संयुक्त रूप से अर्जेंटाइना के वनस्पति संग्रहालय के जार्ज वी. क्रिसी, लिलियाना कैटीनास, मारिया एपीडोका और मिसौरी वनस्पति उद्यान के पीटर सी. हॉच द्वारा लिखा गया है। इस पर्चे का शीर्षक वाकई चौंका देने वाला है और हमें वनस्पति विज्ञान के वर्तमान यथार्थ से रू-ब-रू कराता है।

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1 min  |
August 2021
अंतर्राष्ट्रीय महामारी संधि का आह्वान
Srote

अंतर्राष्ट्रीय महामारी संधि का आह्वान

कोविड -19 महामारी ने यह तथ्य पुख्ता किया है कि जब तक सभी लोग सुरक्षित नहीं होंगे तब तक इस महामारी से कोई भी सुरक्षित नहीं होगा।

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1 min  |
August 2021
Singular hype
Down To Earth

Singular hype

While the Centre trumpets its latest ban to eliminate single-use plastics, the fine print of the new rules tells otherwise

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6 mins  |
September 01, 2021
PULSE PUZZLE
Down To Earth

PULSE PUZZLE

The government takes the usual market-regulatory steps every time there is a surge in prices of pulses—the primary source of protein for a majority of Indians. But shortfall in domestic production, the main reason behind the price rise, remains unaddressed. An analysis by VIVEK MISHRA, SHAGUN KAPIL, RAJU SAJWAN, ANIL ASHWANI SHARMA and BHAGIRATH

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10+ mins  |
September 01, 2021
PATIYA'S STARVELINGS
Down To Earth

PATIYA'S STARVELINGS

It is important to probe further when an effective system fails to rescue the malnourished children in a village

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5 mins  |
September 01, 2021
Long road home
Down To Earth

Long road home

Uttarakhand is increasingly declaring its villages disasterprone. While many are fighting relocation, those who shift face conflicts with host villages over resources like water and grazing land. Is relocation the right way to mitigate disasters that are striking the Himalayan state with increasing ferocity?

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7 mins  |
September 01, 2021
In quest of foragers
Down To Earth

In quest of foragers

GORDON RAMSAY GOES TO THE ENDS OF THE EARTH TO EXPLORE HIDDEN FOOD TREASURES, THEIR BOLD FLAVOURS AND THE ARDENT KEEPERS

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4 mins  |
September 01, 2021
Bridge classes
Down To Earth

Bridge classes

More than 5,000 volunteers in villages of Odisha ensure that the lack of digital access does not hinder children's education amid the pandemic

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2 mins  |
September 01, 2021
Perils Of Nuclear Energy
International Gallerie

Perils Of Nuclear Energy

Addressing negative consequences of nuclear tests for the environment and human health in the areas around these sites, pointing the finger at the Soviet and current governments, “This is Silence” highlights one of the main points that the artist seeks to stress: the absence of public discussion about critical issues.

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2 mins  |
Vol. 24, No. 1, 2021, 'TIME TO WAKE UP! Save Our Environment Now.'
The Verge of Extinction
Scientific India

The Verge of Extinction

Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.

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3 mins  |
July - August 2021
Fish with human like teeth
Scientific India

Fish with human like teeth

Anglers at Jennette's Pier in North Carolina pulled up something unexpected — and uncanny — from the Atlantic: a fish with human teeth.

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1 min  |
July - August 2021
More than 98 percent of emperor penguin colonies are expected to become quasi-extinct by 2100
Scientific India

More than 98 percent of emperor penguin colonies are expected to become quasi-extinct by 2100

Nearly all of the world's emperor penguin colonies may be pushed to the brink of extinction by 2100, a study has found, as the United States moves to list them as threatened under the Endangered Species Act.

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1 min  |
July - August 2021
Snake-eating spiders
Scientific India

Snake-eating spiders

Snakes are occasionally overpowered and eaten by a limited number of spider taxa. Not all snake-eating spiders trap the serpents with webs. Tarantulas actively hunt their prey, then use powerful jaws to deliver a potent venom (SN: 2/28/19).

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1 min  |
July - August 2021
Heat Wave Killed more than 1 Billion Marine creatures in Western United States and Canada
Scientific India

Heat Wave Killed more than 1 Billion Marine creatures in Western United States and Canada

Heat Wave Killed more than 1 Billion Marine creatures in Western United States and Canada

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1 min  |
July - August 2021
Consuming a diet with more fish fats, less vegetable oils can reduce migraine headaches
Scientific India

Consuming a diet with more fish fats, less vegetable oils can reduce migraine headaches

A diet higher in Afatty fish helped frequent migraine sufferers reduce their monthly number of headaches and intensity of pain compared to participants on a diet higher in vegetable-based fats and oils, according to a new study.

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2 mins  |
July - August 2021
Dragon man fossil may replace Neanderthals as our closest relative
Scientific India

Dragon man fossil may replace Neanderthals as our closest relative

A near-perfectly preserved ancient human fossil known as the Harbin cranium sits in the Geoscience Museum in Hebei GEO University. The largest of known Homo skulls, scientists now say this skull represents a newly discovered human species named Homo longi or Dragon Man. Their findings, appearing in three papers published in the journal The Innovation, suggest that the Homo longi lineage may be our closest relatives and has the potential to reshape our understanding of human evolution.

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2 mins  |
July - August 2021
A fermented-food diet increases microbiome diversity and lowers inflammation
Scientific India

A fermented-food diet increases microbiome diversity and lowers inflammation

A diet rich in Afermented foods enhances the diversity of gut microbes and decreases molecular signs of inflammation, according to researchers at the Stanford School of Medicine.

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2 mins  |
July - August 2021
Long Covid Uncommon In Children
Scientific India

Long Covid Uncommon In Children

Fewer than one in F20 children with symptomatic COVID-19 experienced symptoms lasting longer than 4 weeks, and almost all children have fully recovered by 8 weeks, a new study has found.

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2 mins  |
July - August 2021
Eating More Plant Foods May Lower Heart Disease Risk In Young Adults
Scientific India

Eating More Plant Foods May Lower Heart Disease Risk In Young Adults

Eating more Enutritious, plant-based foods is heart-healthy at any age, according to two research studies published today in the Journal of the American Heart Association, an open access journal of the American Heart Association.

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3 mins  |
July - August 2021
PANDEMIC OF STEROIDS
Down To Earth

PANDEMIC OF STEROIDS

Steroids are essential in fighting infectious diseases. Used recklessly, they can cause life-threatening side effects like mucormycosis, as was witnessed in the aftermath of the pandemic’s second wave. COVID-19 is a new disease, and its treatments and dosages are constantly evolving. India will find it difficult to contain the disease unless the government can ensure timely dissemination and implementation of treatment protocols. A report by BANJOT KAUR

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10+ mins  |
August 01, 2021
FADING COLOUR
Down To Earth

FADING COLOUR

Establish farmer producer organisations to ensure that growers of the intensely flavourful golden Kandhamal turmeric do not turn away from it

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3 mins  |
August 01, 2021
OUT IN THE OPEN
Down To Earth

OUT IN THE OPEN

Contrary to the government's claim of India being open defecation free, 15 per cent of Indians still go out to relieve themselves, says a WHO-UNICEF report

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4 mins  |
August 01, 2021
ROLE OF A LIFETIME
Down To Earth

ROLE OF A LIFETIME

Dilip Kumar’s career coincided with a newly Independent India marred by many self-inflicted tragedies, and the roles he played resonated with a large section of people, cutting across classes

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5 mins  |
August 01, 2021
ON THIN AIR
Down To Earth

ON THIN AIR

Agriculture students demonstrate how aeroponics, once a niche and costly cultivation method, can help urban households

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4 mins  |
August 01, 2021