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Aswathi Pacha
Aswathi Pacha is a Senior Sub Editor based in Kochi. She writes on science, environment and everything related. Follow her on Twitter @AswathiPacha
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Explained: What is the Pacific ‘Ring of Fire’?Subscriber Only
January 19, 2022 13:10 IST
The Hunga Tonga-Hunga Ha'apai volcano, which erupted over the weekend, lies along the Pacific ‘Ring of fire’.
Wed, Jan 19, 2022
Explained: How surgeons gave a pig heart — and hope of life — to a humanSubscriber Only
January 14, 2022 19:30 IST
The patient, David Bennett (57), was deemed ineligible for a conventional heart transplant or an artificial heart by leading transplant centres after a review of his medical records.
Fri, Jan 14, 2022
Explained: How scientists are using grime-eating bacteria to restore classical artSubscriber Only
January 12, 2022 04:16 IST
Art restorers have usually employed chemical agents and, more recently laser techniques, to remove dirt, oil, glue, or pollutants from monuments, stoneworks, and paintings.
Wed, Jan 12, 2022
Are rock agamas adapting to city life? A study on sleep sites answersSubscriber Only
January 11, 2022 16:37 IST
Though humans have modified the South Indian rock agama's natural habitat, “they seem to cope well with the drastically altered conditions of city life,” says Dr. Mohanty.
Tue, Jan 11, 2022
India, Somalia and Madagascar may become one continent in 200 million years: StudySubscriber Only
January 07, 2022 13:08 IST
The collision will lead to the ‘formation of a long mountain range along the modern west coast of India’ which the team named ‘Somalaya’.
Sat, Jan 08, 2022
Can Marvel Studios’ Multiverse really exist? A physicist explainsSubscriber Only
December 26, 2021 14:42 IST
In a chat with The Indian Express, Dr. Kinjalk Lochan, Assistant Professor of Physics at IISER Mohali, explains string theory, Copernican principle and the multiverse concept.
Sun, Dec 26, 2021
Thousands of threatened seahorses killed every year as bycatch in Palk Bay: studySubscriber Only
December 24, 2021 18:05 IST
A paper published last year showed that between 4.98 and 13.64 million seahorses land as by-catch from India’s southeast coast every year.
Fri, Dec 24, 2021
Horseshoe crab has survived mass extinctions, but are we killing them now?Subscriber Only
December 18, 2021 17:04 IST
Out of the four species of horseshoe crabs in the world, two are found in India and the recent Amphan and Yash cyclones have taken a toll on their habitats.
Sat, Dec 18, 2021
James Webb Space Telescope: First 30 minutes after launch very crucial, says NASA engineerSubscriber Only
December 16, 2021 19:41 IST
The solar array is made up of five panels that are folded up and stowed in the launch vehicle. Their deployment is one of the most critical steps.
Thu, Dec 16, 2021
Explained: Differences between Webb and Hubble telescopesSubscriber Only
December 12, 2021 18:34 IST
Though Webb is often called the replacement for the Hubble Space Telescope, NASA said it prefers to call it a successor.
Sun, Dec 12, 2021
‘Webb telescope will certainly search for Earth-like planets’: Project scientistSubscriber Only
December 10, 2021 21:21 IST
In an interview with indianexpress.com, Dr. Knicole Colón, James Webb Space Telescope Deputy Project Scientist for Exoplanet Science, explains how the mission will study exoplanets and their atmospheres.
Fri, Dec 10, 2021
Explained: NASA’s IXPE mission that will explore universe’s mysterious objectsSubscriber Only
December 10, 2021 13:15 IST
We explain NASA’s new mission named Imaging X-ray Polarimetry Explorer or IXPE, the instruments it is carrying and its importance.
Fri, Dec 10, 2021
Interview with NASA astronaut candidate Dr Anil Menon: ‘Spending time in India really helped set me up for the job’Subscriber Only
December 07, 2021 20:54 IST
🔴 In an interview with indianexpress.com, Dr Anil Menon, who likes to be called an aerospace medicine doctor, speaks about the future of aerospace medicine, his work at SpaceX and his love for Indian food.
Sat, Dec 11, 2021
Explained: How James Webb Space Telescope will search for the first formed galaxiesSubscriber Only
November 28, 2021 09:37 IST
🔴 The James Webb Space Telescope is said to be the scientific successor to the Hubble and Spitzer space telescopes. Webb has a larger primary mirror — about 2.5 times larger in diameter than Hubble’s mirror.
Tue, Nov 30, 2021
Despite tough laws, illegal bear trade continues in India: StudySubscriber Only
November 26, 2021 17:07 IST
The highest number of bear seizures were reported in Uttarakhand followed by Madhya Pradesh, Chhattisgarh, and Maharashtra.
Fri, Nov 26, 2021
What are flash droughts, will it affect India?Subscriber Only
November 24, 2021 16:32 IST
By the end of the 21st century, the frequency of concurrent hot and dry extremes in India will rise by about five-fold.
Wed, Nov 24, 2021
Explained: Is there racial bias in pulse oximeters?Subscriber Only
November 23, 2021 15:38 IST
The initial step in an oximeter is the light passing through your skin. Most of these devices are calibrated for light skin and can give errors for nonwhite people.
Thu, Dec 09, 2021
Over 30 alien species found in Kerala’s water bodies: StudySubscriber Only
November 22, 2021 15:44 IST
The fish surveys were conducted in 44 rivers and 53 reservoirs of the state. The most common invasive species recorded were Mozambique tilapia and common carp.
Mon, Nov 22, 2021
How to develop a drought-resistant chickpea? Look at its genome mapSubscriber Only
November 18, 2021 16:05 IST
By sequencing the genomes of 3,366 chickpea lines from 60 countries, an international team has created a chickpea genetic variation map.
Thu, Nov 18, 2021
What is the human cost of climate crisis? The Weight of Water answersSubscriber Only
November 14, 2021 21:46 IST
Neelima Vallangi's The Weight of Water is an attempt to capture how climate change has affected the daily lives of the people of Nepal.
Mon, Nov 15, 2021
Explained: What caused Earth’s first mass extinctionSubscriber Only
November 07, 2021 13:27 IST
The Ordovician mass extinction that occurred about 445 million years ago killed about 85% of all species.
Tue, Nov 09, 2021
Explained: How quickly does the climate recover?Subscriber Only
November 01, 2021 13:57 IST
An international team, which studied a global temperature rise that occurred 56 million years ago, has found that it took about 20,000 to 50,000 years for the climate to stabilise after the rise of five to eight degrees Celsius.
Tue, Nov 02, 2021
Explained: What astronomers learnt, and didn’t, from seeing a white dwarf ‘switch on and off’Subscriber Only
October 24, 2021 09:52 IST
The team hopes that this discovery will help us understand the physics behind accretion – how black holes and neutron stars feed material from their nearby stars.
Tue, Oct 26, 2021
Explained: How surgeons gave pig kidney to a humanSubscriber Only
October 22, 2021 11:34 IST
If found compatible in the long run, this process of Xenotransplantation, or transplanting organs between different species, could help provide an alternative and additional supply of organs for people facing life-threatening diseases.
Sat, Oct 23, 2021
Fact check: Did aliens send radio signals from outside the solar system?Subscriber Only
October 14, 2021 15:46 IST
The researchers said that they had discovered radio signals from 19 distant red dwarf stars or M dwarfs.
Thu, Oct 14, 2021
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