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New ghost marsupial related to the kangaroo found in Australia
  1. Life Sciences

New ghost marsupial related to the kangaroo found in Australia

A previously unknown species of native bushland marsupial, closely related to the kangaroo, has been identified through new research. Scientists report that this animal was already likely extinct by the time its remains were studied. By analyzing fossils recovered from caves across the Nullarbor and southwest Australia, researchers from Curtin University, the Western Australian Museum […]
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These Bald Eagles fly the wrong way every year and stun scientists
  1. Life Sciences

These Bald Eagles fly the wrong way every year and stun scientists

Birds of a feather do not always flock together, despite the adage. A new study in the Journal of Raptor Research describes how Bald Eagles (Haliaeetus leucocephalus) from Arizona are making unusual journeys by flying north instead of south, unlike most migratory birds in temperate regions. The paper, titled “Northward Migrations of Nonbreeding Bald Eagles […]
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  1. Biology

Independent nuclear and organellar mechanisms determine apicoplast fate in malaria parasites

The apicoplast organelle of the malaria parasite, Plasmodium falciparum, is essential for parasite replication, though its cell cycle regulation remains poorly understood. We developed a dynamic live-imaging platform with analytical capabilities to track subcellular structures throughout the parasite’s 48-h intraerythrocytic life cycle. Our analysis revealed four distinct morphological stages in apicoplast development that correlate with […]
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A hidden mechanism changes what we know about cell division
  1. Life Sciences

A hidden mechanism changes what we know about cell division

Scientists at the Ruđer Bošković Institute (RBI) in Zagreb, Croatia, have uncovered a surprising function for the protein CENP-E. For years, it was thought to act like a motor that pulled wandering chromosomes into position as a cell prepared to divide. The new findings reveal something completely different: CENP-E stabilizes the very first connections between […]
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Simple light trick reveals hidden brain pathways in microscopic detail
  1. Life Sciences

Simple light trick reveals hidden brain pathways in microscopic detail

Every tissue in the human body contains exceptionally small fibers that help coordinate how organs move, function and communicate. Muscle fibers guide physical force, intestinal fibers support the motion of the digestive tract, and brain fibers carry electrical signals that allow different regions to exchange information. Together, these intricate fiber systems help shape the structure […]
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Wild chimps consume more alcohol than anyone expected
  1. Life Sciences

Wild chimps consume more alcohol than anyone expected

The first-ever measurements of the ethanol content of fruits available to chimpanzees in their native African habitat show that the animals could easily consume the equivalent of more than two standard alcoholic drinks each day, according to researchers at the University of California, Berkeley. It is still unknown whether chimpanzees deliberately choose fruits with higher […]
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Scientists discover why anacondas stayed giants for 12 million years
  1. Life Sciences

Scientists discover why anacondas stayed giants for 12 million years

A research group led by the University of Cambridge examined giant anaconda fossils found in South America and determined that these snakes reached their full body size about 12.4 million years ago. According to their analysis, anacondas have remained exceptionally large ever since. During the period from 12.4 to 5.3 million years ago, known as […]
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  1. Biology

Loss of ErbB3 redirects Integrin β1 from early endosomal recycling to secretion in extracellular vesicles

Receptor tyrosine kinases (RTKs) are important cargo in endocytic trafficking, yet their role in endosomal sorting and maturation of multivesicular bodies remains unclear. Here, we show that the ErbB3 (HER3) receptor sorts internalized Integrin β1 and the transferrin receptor, for endocytic recycling, in a manner that does not require ligand-induced ErbB3 signaling in breast epithelial […]
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A mysterious black snake hidden for centuries is now named for Steve Irwin
  1. Life Sciences

A mysterious black snake hidden for centuries is now named for Steve Irwin

A research team has identified a previously unknown species of wolf snake in the remote Great Nicobar Islands of India. The find adds to the growing list of unique wildlife recorded in the Andaman and Nicobar region, an area known for its rich but still underexplored biodiversity. Researchers R. S. Naveen and S. R. Chandramouli […]
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Scientists capture flu viruses surfing into human cells in real time
  1. Life Sciences

Scientists capture flu viruses surfing into human cells in real time

Fever, aching limbs and a runny nose — as winter returns, so too does the flu. The disease is triggered by influenza viruses, which enter our body through droplets and then infect vulnerable cells. A research team from Switzerland and Japan has taken an exceptionally close look at how this virus behaves. Using a microscopy […]
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Hornet-eating frog shows remarkable venom resistance
  1. Life Sciences

Hornet-eating frog shows remarkable venom resistance

A frog with an unexpectedly strong resistance to venom has been identified, and it routinely eats hornets despite the insects’ dangerous stingers. Researchers believe this species may become a useful model organism for exploring how animals develop tolerance to venom. For many people, even glimpsing a hornet’s stinger is enough to cause alarm. Yet certain […]
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