More than 1.5 lakh alerts were issued for Indian satellites during 2025. According to the Indian Space Situational Awareness Report for 2025 (ISSAR 2025), which was recently released, the Combined Space Operations Center (CSpOC) of US Space Command issued more than 1.5 lakh alerts for ISRO’s Earth orbiting satellites. “There were four collision avoidance manoeuvres...
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April 16, 2026April 16, 2026Science & Tech
Science Quiz | Stars, the zodiac, and new years
Published – April 15, 2026 05:00 pm IST Read Comments Copy link Email Facebook Twitter Telegram LinkedIn WhatsApp Reddit
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April 16, 2026April 16, 2026Health, Science & Tech
Are microplastics in ovaries impacting reproductive health?
We are all aware of the fact that the use of plastics causes harm to our environment, and dangerously so. But not many people think about what happens when plastics enter our bodies. As far as gynaecological reproductive health is concerned, while the major emphasis continues to remain on genetics, hormonal imbalances, diet and exercise,...
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April 16, 2026April 16, 2026Science & Tech
The green and crimson chemistry of the watermelon
The summer season is on and the fruit market is flush with the watermelon (‘turbuz’ in Hindi, ‘vathakkai’ in Tamil, ‘tormuj’ in Bengali, and Citrullus lanatus in botany), with its green-yellow striped skins and reddish interiors studded with dark seeds. The watermelon came to India from Africa, and is now ranked alongside apples, bananas, oranges,...
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April 15, 2026April 15, 2026Science & Tech
How will Gaganyaan astronauts return safely to earth? | Explained
The crew module, where the astronauts reside, orbits the earth at a high velocity of about 7,800 m/s. When the module returns to the earth and re-enters the atmosphere, it faces the challenge of shedding its kinetic energy. Atmospheric drag itself acts as the primary brake and takes away the majority of its energy, through...
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April 15, 2026April 15, 2026Science & Tech
New brain-inspired ‘memristors’ promise to cut AI energy use
Researchers from the University of Cambridge have reported a new kind of brain-inspired nanodevice, a hafnium-oxide memristor, that could dramatically cut artificial intelligence’s (AI) energy bill by bringing memory and computation into the same component. The findings were published in Science Advances on March 20.
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April 15, 2026April 15, 2026Science & Tech
Science Snapshots: April 19, 2026
High blood sugar affects cognitive function via lactate Researchers have found excess sugar causes a modification to build up on a protein called Creb3, which then activates a gene that boosts the production of lactate in the hippocampus, the brain’s memory centre. Excessive lactate kills brain cells, leading to cognitive impairment. A large study confirmed...
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April 15, 2026April 15, 2026Science & Tech
Why are saturated fats bad for the heart but unsaturated fats are okay?
— Aravind N., Hyderabad A: Simply speaking, the two kinds of fats affect the body’s LDL cholesterol differently. LDL is the kind that clogs arteries.
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April 15, 2026April 15, 2026Science & Tech
Amazon launches AI research tool to speed early-stage drug discovery
Amazon’s cloud unit on Tuesday launched Amazon Bio Discovery, an artificial intelligence application designed to speed early-stage drug discovery by allowing scientists to run complex computational workflows without writing code. Drugmakers and technology companies have stepped up efforts to use AI to accelerate drug development.
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April 15, 2026April 15, 2026Science & Tech
New tool predicts how pollen travels through city air
Every spring, lakhs of people suffering from allergies brace for sneezing fits and itchy eyes as trees release pollen into the air. Now, a team of researchers from France and the U.S. has built a tool that can predict exactly how pollen travels through a city once the wind picks it up. In the study,...
