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Loggerhead turtles face four-pronged threats due to climate change

The spectre of climate change has come to haunt one of the ocean’s most ubiquitous — yet vulnerable — turtles: the strong-jawed loggerhead, named after its exceptionally large head. These omnivorous marine reptiles have been impacted in at least four ways by global warming. As the ocean warms and marine produce dwindle, these turtles are nesting earlier in the year, and more worryingly, they are producing...

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58 genetic variants, not single gene, shape anxiety risk: Study

Researchers have found 58 genetic variants linked to an increased risk of anxiety, suggesting that the disorder is not driven by a “single anxiety gene”. The researchers, led by those from Texas A&M University in the U.S., said that anxiety disorders are influenced by genetic variants from across the human genome, with each variant inherited...

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Single genome-editing strategy promises to treat multiple disorders

Genetic disorders often stem from small errors in the DNA sequence with major consequences. Many diseases like cystic fibrosis and Batten disease can be traced to changes disrupting the cell’s ability to build a complete, functional protein. One particularly common culprit is the nonsense mutation, where a single incorrect DNA letter inserts a premature stop...

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Bridging a divide with an ‘Indian Scientific Service’

India’s post-Independence service rules were designed to ensure stability through generalist administrators — an approach that was essential for nation-building. However, governance has since become increasingly shaped by science, technology, and environmental challenges. As scientists joined government service, they remained governed by rules created for a different era. This mismatch has limited the effective integration...

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What are bio-based chemicals and enzymes? | Explained

The story so far: Bio-based chemicals are industrial chemicals produced using biological feedstocks like sugarcane, corn, starch, or biomass residues, often through fermentation or enzymatic processes. Examples include organic acids (such as lactic acid), bio-alcohols, solvents, surfactants, and intermediates used in plastics, cosmetics, and pharmaceuticals. Enzymes are biological catalysts widely used in detergents, food processing,...

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Astronomers puzzle over ‘inside out’ planetary system

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after much of the planet-forming material had been used up. The system, observed using the European Space Agency’s Cheops space telescope, consists of four planets – two rocky and...

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Cows can use tools, and one Austrian cow has now shown it clearly

In 1960, when she was studying chimpanzees in Tanzania, the primatologist Jane Goodall observed one chimp strip a stick of its leaves and use it to extract termites from a mound. She telegraphed her observation to her supervisor, the paleoanthropologist Louis Leakey.  “Now we must redefine ‘tool,’ redefine ‘man’ or accept chimpanzees as human,” Leakey...

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Neurobehavioural therapy can reshape brain networks in functional neuro disorders, says expert

Functional neurological disorders, long dismissed as purely psychogenic conditions, are now understood as disorders of neural network dysfunction shaped by cognition, emotion and behaviour, said US-based neuropsychiatrist Curt LaFrance at a commemorative lecture held in memory of eminent neurologist Krishnamoorthy Srinivas at the Buddhi Clinic on Saturday. Also Read | Tremors, seizures, paralysis: this brain...

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Four new astronauts arrive at International Space Station to replace NASA’s evacuated crew

The International Space Station returned to full strength with the arrival of four new astronauts to replace colleagues who bailed early because of health concerns. SpaceX delivered the U.S., French and Russian astronauts on Saturday (February 14, 2026), a day after launching them from Cape Canaveral. Last month’s medical evacuation was NASA’s first in 65...

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