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Ritvik Chaturvedi
The author is a research fellow at the Indian Institute of Science (IISc), Bengaluru, and a freelance science communicator. He tweets at @critvik.
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More From Ritvik Chaturvedi - Page 2
Digging Deep: What gives each fruit its unique flavour profile?Subscriber Only
February 25, 2022 12:53 IST
A team of researchers from the University of Florida examined over 100 different tomato and blueberry varieties from the University’s breeding programme
Fri, Feb 25, 2022
Digging Deep: Cave discovery in France stretches Homo sapiens’ presence in Europe by 10,000 yearsSubscriber Only
February 18, 2022 11:20 IST
The finding implies that the Neanderthals and Homo sapiens indeed shared the same space and time, albeit for just a few decades.
Fri, Feb 18, 2022
Digging Deep: What Indonesia’s experiment in reducing emissions reveals about fighting deforestationSubscriber Only
February 11, 2022 17:32 IST
As part of the agreements between Norway and other partner countries, Norway had pledged USD 1 bn ‘to fund results based REDD+ payments’.
Thu, Feb 24, 2022
Could genetic engineering reverse insecticide resistance?Subscriber Only
February 04, 2022 12:13 IST
A team of geneticists report a new development employing CRISPR/Cas9 whereby the mutation that is responsible for insecticide resistance is reversed.
Fri, Feb 04, 2022
Forget metals, chemists use DNA to build the world’s tiniest antennaSubscriber Only
January 28, 2022 17:25 IST
The nanoantenna works like a two-way radio that can both receive and transmit radio waves.
Fri, Jan 28, 2022
New study decodes how intensified rainfall will harm global economySubscriber Only
January 21, 2022 16:50 IST
The team notes that the service and manufacturing sectors are the worst hit.
Fri, Jan 21, 2022
Archaeologists uncover tooth of Americas’ oldest-known domesticated dogSubscriber Only
January 14, 2022 16:56 IST
The fossil record at the three cave sites examined in the archipelago dates to ~14690 to 11000 years before present.
Fri, Jan 14, 2022
Meet C.youngorum, the giant Ichthyosaur that ruled the oceans 250 million years agoSubscriber Only
December 31, 2021 19:22 IST
The ichthyosaur was the largest tetrapod of its time, whether on land or at sea.
Sun, Jan 02, 2022
Can archaeology be used to study the effects of climate change?Subscriber Only
December 24, 2021 17:21 IST
Archaeological data sets hold immense potential in informing present-day dialogues on resilience, food security, and “can be used to promote community-based adaptation.”
Fri, Dec 24, 2021
Did humans hasten the extinction of the woolly mammoth?Subscriber Only
December 17, 2021 17:05 IST
Nonetheless, the models generated by the study show that had humans been absent altogether, mammoths “would have persisted for much longer."
Fri, Dec 17, 2021
Volcanic eruptions contributed to collapse of ancient Chinese dynasties: StudySubscriber Only
December 10, 2021 20:23 IST
Upon associating records of volcano explosions and dates of collapses, it was found that 62 out of 68 dynastic collapses were preceded by a volcanic eruption.
Fri, Dec 10, 2021
How are our rivers moving over time? Global database documents 40 years of changeSubscriber Only
December 03, 2021 17:01 IST
The Ganges river delta is a good example of a system where a combination of migration-enhancing and migration-dampening factors balance each other out.
Fri, Dec 03, 2021
Hotter climates causing male dragonflies to lose wing colour: StudySubscriber Only
November 26, 2021 20:26 IST
The authors estimate that male wing ornamentation will decline by 2070, but very modestly. Female wings will not show much difference.
Fri, Nov 26, 2021
Lead used in petrol decades ago still pollutes London’s air: StudySubscriber Only
November 19, 2021 21:55 IST
Lead levels in London air plummeted rapidly from 500-600 ng/m³ to 300 ng/m³ in the 1980s, before dropping further to 20 ng/m³ in 2000 - but the concentrations measured in 2018 stood at 8-10 ng/m³.
Fri, Nov 19, 2021
How much do baleen whales eat in a day?Subscriber Only
November 12, 2021 19:38 IST
The new study has observed that baleen whales can consume as much as 16 tonnes of food per day, which constitutes as much as 30% of their total body mass.
Fri, Nov 12, 2021
DNA studies help unravel evolutionary history of rhinocerosSubscriber Only
November 05, 2021 21:03 IST
The three major clades of the rhinocerotinae family diverged 17-14 million years ago, an ‘epoch’ in geologic history when the climate was 3-4 degrees Celsius warmer than it is today.
Sat, Nov 06, 2021
Roman tomb reveals secrets of ancient concrete resilienceSubscriber Only
October 29, 2021 19:59 IST
The reason behind the tomb’s strength is that it was constructed from the deposits of the eruptions of the nearby Alban Hills volcano.
Fri, Oct 29, 2021
Meet the first domesticated goats from Western IranSubscriber Only
October 22, 2021 20:59 IST
It was found that the closest wild relative of the domesticated goats was the bezoar ibex.
Fri, Oct 22, 2021
Study finds fruit flies react to smells while asleepSubscriber Only
October 15, 2021 17:31 IST
When fruit flies were exposed to varying concentrations of acetic acid they exhibited different reactions.
Fri, Oct 15, 2021
How artificial light, other ‘by-products’ of rapid urbanisation threaten birdsSubscriber Only
October 08, 2021 18:34 IST
A 2017 study observed that changes in the behaviour of nocturnally migrating birds in response to light stimuli disappeared immediately after lights were switched off.
Fri, Oct 08, 2021
How human exploitation dwindled Caribbean shark communities, a study finds outSubscriber Only
October 01, 2021 18:42 IST
Coastal development, land clearing, and agriculture have all had their share of the blame, leading to the low oxygen content in water, disease, bleaching – a pattern observed across the Caribbean.
Fri, Oct 01, 2021
Where did watermelon come from? Study solves the mystery of fruit’s originSubscriber Only
September 24, 2021 16:05 IST
The Kordofan melon from Sudan was found to be the closest relative and most likely wild progenitor of the modern watermelon.
Fri, Sep 24, 2021
Have you seen tardigrades walk? Scientists decode why they trot like insectsSubscriber Only
September 17, 2021 21:49 IST
Tardigrades and arthropods are an example of convergent, but independent, evolution whereby two species evolve to develop similar physical characteristics.
Mon, Oct 04, 2021
DNA of a female hunter-gatherer, buried 7,000 years ago in Indonesia, reveals population history of SE AsiaSubscriber Only
September 10, 2021 19:33 IST
Genetic analyses reveal that the individual shares significant genetic ancestry with the present-day populations of Oceania.
Fri, Sep 24, 2021
Cannibal toads, a weird addition to Australia’s wildlifeSubscriber Only
September 03, 2021 18:48 IST
Researchers note that this is an “evolutionary arms race”, not between two species, but between the different stages of life of the same species.
Fri, Sep 24, 2021Journalism of Courage
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