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Browsing Category
Technology
Centre revises flexible complementing scheme for scientists
The move was necessitated considering the evolving advancement in the field of science and technology, and the requests of the various central government ministries/departments in this regard. HT Image Based on the recommendations of…
Male dragonflies’ wax coats might protect them against a warming climate
Some male dragonflies have a waxy coat that keeps them cool while pursuing mates and may also help the insects shrug off a warming climate.
U.S. dragonfly species that produce the special wax are faring better in the face of…
Don’t use unsterilized tap water to rinse your sinuses. It may carry brain-eating amoebas
Nasal rinses can relieve sinus congestion. But using the wrong liquid can, in rare cases, give people infections with deadly brain-eating amoebas.
Washing the sinuses with unsterilized tap water can expose people to…
Pacific Islanders’ long-drawn wisdom derived from science | World News
As we were leaving later that evening, an elder took us aside. He was pleased we had taken their beliefs seriously and said many older Pacific people won’t talk about traditional knowledge for fear of ridicule. People have inhabited the…
The U.S. now has a drug for severe frostbite. How does it work?
In the worst cases, frostbite can cause the tissues in fingers, toes, noses and other extremities to die and require amputation. Now doctors in the United States have a way to save patients from these life-altering effects.
In…
Male mammals aren’t always bigger than females
The idea that male mammals tend to be larger than females has been scientific dogma since Darwin. Bigger bodies, the thinking goes, are better in the battle to win the attention of choosy females.
Turns out, that dogma may need…
Four astronauts return to Earth with SpaceX after half-year mission at ISS
Four astronauts from four countries caught a lift back to Earth with SpaceX on Tuesday to end a half-year mission at the International Space Station. From left, Roscosmos cosmonaut Konstantin Borisov, ESA (European Space Agency)…
Readers discuss cholesterol treatments and AI
Get low (cholesterol’s version)
An experimental genetic treatment called VERVE-101 can deactivate a cholesterol-raising gene in people with hypercholesterolemia, Meghan Rosen reported in “Base editing can lower cholesterol” (SN:…
Here comes the sun, the eclipsed version
Questions or comments on this article? E-mail us at feedback@sciencenews.org | Reprints FAQ
A version of this article appears in the March 9, 2024 issue of Science News.!-->…
Four years on, the COVID-19 pandemic has a long tail of grief
March 11 marks the fourth anniversary of the World Health Organization’s declaration that the COVID-19 outbreak was a pandemic. COVID-19 hasn’t gone away, but there have been plenty of actions that suggest otherwise.
In May 2023, WHO…
Newfound bee species help solve a decades-old mystery
In 1965, renowned bee biologist Charles Michener described a new species of masked bee from “an entirely unexpected region,” the Tuamotu Archipelago of French Polynesia. Michener named the bee Hylaeus tuamotuensis and noted that…
What is Rhodamine B? Why Karnataka banned its use in manchurian, cotton candy?
The Karnataka government has issued a ban on the use of artificial colours, specifically Rhodamine B, in 'gobi manchurian' and 'cotton candy' due to their adverse effects on public health, particularly on children. Prolonged usage of…
India’s Samudrayaan set to explore ocean bed by 2025 end: Kiren Rijiju
New Delhi, Mar 10 (PTI) India should be able to send its scientists to study the deep ocean 6 km under the sea surface in its own Samudrayaan by the end of next year, Earth Sciences Minister Kiren Rijiju has said. HT Image In a video…
Earth Sciences Minister Rijiju upset over delay in supercomputer delivery by French firm
New Delhi, Mar 10 (PTI) Earth Sciences Minister Kiren Rijiju is upset over the delay in the delivery of two supercomputers by a French firm to Indian weather forecasting institutes and hopes that the French government will step in to…
The Longest Goodbye’ explores astronauts’ mental health
NASA engineers must quantify everything. But no matter how many equations they use to calculate launch windows, estimate exposure to cosmic radiation or create flight trajectories, there’s one thing they can’t quantify: the mental…
Older monarch caterpillars binge on toxic milkweed goo
Maybe science has misunderstood the dining style of big monarch butterfly caterpillars. What insect watchers have called defense against the toxic latex a milkweed plant oozes may not be avoidance at all. Instead of dodging the…
How do animals react during a total solar eclipse? Scientists plan to find out
When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes? A total solar eclipse(REUTERS) Researchers will be standing by to observe how animals’ routines…
US, Canada brace for ‘daylight saving time’ starting March 10. What is it? | World News
The United States, Canada, and Cuba are gearing up to advance their clocks by an hour on March 10, marking the start of ‘Daylight Saving Time (DST)’. In the US and several neighbouring nations, Daylight Saving Time (DST) will commence…
How air pollution can make it harder for pollinators to find flowers
Air pollution may blunt the signature scents of some night-blooming flowers, jeopardizing pollination.
When the aroma of a pale evening primrose encounters certain pollutants in the night air, the pollutants destroy key scent…
This is the first egg-laying amphibian found to feed its babies ‘milk’
In the middle of the night in a humid coastal rainforest, a litter of pink, hairless babies snuggle with their mother. They stir and squeak for milk, their mother obliges, and they are sated. But these are no puppies or cubs. They…
First Arab woman to graduate NASA training shoots for the Moon
Like her ancestors before her, Emirati astronaut Nora AlMatrooshi has spent much of her life gazing up at the stars and dreaming of flying to the Moon. HT Image This week, she became the first Arab woman to graduate from NASA's…
See 3-D models of animal anatomy from openVertebrate’s public collection
Frog entrails, lizard scales and mouse tails, oh my.
These creatures are among more than 13,000 museum specimens that had their innards CT scanned as part of a six-year mission to create 3-D digital reconstructions. The effort,…
Forests might serve as enormous neutrino detectors
Neutrino detectors don’t grow on trees. Or do they? Forests could one day be used to spot ultra-high-energy neutrinos, a physicist proposes.
Trees could act as natural antennas that pick up radio waves produced by certain…
Reconstructing Indians’ evolutionary history – Hindustan Times
NEW DELHI: The timeline of how and when modern humans populated India is somewhat sketchy. While most Indians can trace their ancestry to more than one lineage, the origin of some of these ancient populations remains unclear, with India…
‘Countdown’ takes stock of the U.S. nuclear weapons stockpile
CountdownSarah ScolesBold Type Books, $30
The United States is on a mission to modernize its aging nuclear weapons stockpile. And physicists have feelings about it — and the future of nuclear weapons more broadly.
In…
Gurugram cafe mouth freshener case: What is ‘dry ice’? Why is it dangerous?
Five people fell ill after consuming a mouth freshener containing dry ice at a restaurant in Gurugram, police said on Monday. The owner of the eatery was later arrested. People were screaming and vomiting after consuming dry ice…
Genetic study reveals the ancestry of Indians
South Asia is home to one of the world's most diversified populations where around 1.5 billion people, a mash-up of many ethnic identities, languages, religions, castes, and customs reside. The scientists have now revealed a thorough…
New AI model diagnoses diseases by drawing visual maps
The unique transparency of the model, described in the journal IEEE Transactions on Medical Imaging, allows doctors to easily follow its line of reasoning, double-check for accuracy, and explain the results to patients, the researchers…
Jupiter’s moon Europa produces less oxygen than we thought – it may affect our chances of finding…
There are plenty of reasons to be excited about the possibility of finding microbial life on Europa. Evidence from the Galileo mission has shown that the moon has an ocean below its icy surface containing about twice the amount of water…
The blood holds clues to understanding long COVID
Citations
T. Thaweethai et al. Development of a definition of postacute sequelae of SARS-CoV-2 infection. JAMA. Vol. 22. May 25, 2023, p. 1934. doi: 10.1001/jama.2023.8823.C. Greene et al. Blood–brain barrier disruption and sustained…