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40 years later, Chernobyl's nuclear fallout is not what scientists expected

Forty years after the Chornobyl disaster, tiny radioactive particles still linger in the soil, carrying a dangerous legacy. Using powerful X-rays, scientists discovered that some of these particles have remained surprisingly stable, trapping radioactive substances inside instead

Brief sciencedaily.com · 4h ago · 1 min
DNA and underwater footage reveal two new species of deep-sea siphonophores

New research is shedding light on the diversity of deep-sea siphonophores. A team of scientists from MBARI, the University of Gdańsk, New York University and Yale University conducted a comprehensive examination of Bargmannia siphonophores using museum material, submersible obser

Brief phys.org · 10h ago · 1 min
The psychology that can lead investors to make bad financial decisions

Say you buy shares in a company. The price climbs and months later you sell for a healthy profit. Ask why it worked, and the answer is often some version of "I made a good call." Now imagine the trade had lost money instead. Would you be as quick to blame your own judgment? Many

Brief phys.org · 13h ago · 1 min
Research tackling immature fruit drop in avocado trees

Only a percentage of avocados ever make it to harvest, but CSIRO research is working on ways to combat what is called immature fruit abscission or early fruit drop, a major challenge faced by growers.

Brief phys.org · 16h ago · 1 min
Fear of giving too little can stop people from giving at all

We've all done it: convinced ourselves that if we can't donate enough money to a cause, it's better not to give at all. But new research led by Jean Zhang, now a postdoctoral researcher at the Wharton School, suggests we're setting the bar for generosity far too high.

Brief phys.org · 17h ago · 1 min
Birds are more afraid of women than men. Scientists have no idea why

Scientists have uncovered a strange pattern in urban bird behavior: Across five European countries and 37 species, birds consistently fled sooner when approached by women than men. Researchers have no clear explanation for the difference, raising intriguing questions about how bi

Brief sciencedaily.com · 19h ago · 1 min

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Mother bats' hearts beat faster at the sound of their own babies' cries

A mother bat has one crucial challenge: find her own babies among hundreds of other bats in the colony. Making sure she cares for and nurses only her own offspring is important to ensuring their survival. Among Japanese house bats, mothers keep track of their pups using the babie

phys.org · 4h ago
40 years later, Chernobyl's nuclear fallout is not what scientists expected

Forty years after the Chornobyl disaster, tiny radioactive particles still linger in the soil, carrying a dangerous legacy. Using powerful X-rays, scientists discovered that some of these particles have remained surprisingly stable, trapping radioactive substances inside instead

sciencedaily.com · 4h ago
Nearly 3,000 exploding stars challenge our understanding of the Universe

A massive analysis of 2,884 exploding stars has uncovered new evidence that dark energy, the mysterious force accelerating the universe’s expansion, may change over time. The findings challenge a cornerstone of modern cosmology and could reshape our understanding of how the unive

sciencedaily.com · 5h ago
New test measures potentially harmful metals in cellulose food packaging

A technique for detecting potentially harmful metals in regenerated cellulose food packaging is discussed in the International Journal of Environment and Pollution. The new tool can be used for safety assessments of materials increasingly used as alternatives to conventional plas

phys.org · 7h ago
Autonomous triangular modules could build tomorrow's mega-observatories

Private companies are getting better at launching more mass into space with larger rockets. But there is still a major constraint on the size of objects we can get into orbit—fairing size. This places physical constraints on the overall shape of what we can launch and severely li

phys.org · 7h ago
Researchers develop AI tool to map microRNA binding sites on circular RNAs

Circular RNAs (circRNAs) are loop-shaped molecules that can influence gene regulation through interactions with microRNAs (miRNAs). This matters because circRNAs can exist as different full-length isoforms, and their back-splice junction (BSJ) connects the two ends of the RNA. Tr

phys.org · 7h ago
Acupuncture and mutual exchange in Chinese and Soviet science

Previous accounts of the scientific relationship between communist China and the Soviet Union have depicted it as one of subordination, with the Russians exporting knowledge to the Chinese or scavenging from their bodies of knowledge. A new article in Isis, however, posits that t

phys.org · 8h ago

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