A University of Iowa-led study has revealed the unexpected structure adopted by the DNA repair protein RAD52 as it binds and protects replicating DNA in dividing cells. This new structural and mechanistic understanding of the RAD52-DNA complex may help re
阅读全文The flowerpot snake, one of the world's smallest snakes, has some unusual distinctions. Also known as the Brahminy blind snake, it's the only known snake species with three sets of chromosomes instead of two—and it can reproduce without a mate.
阅读全文Plants don't just grow, they build. From towering trees to delicate flowers, complex plant shapes are sculpted with remarkable precision. Now a study by biologists and biophysicists at Université de Montréal reveals how plants build their organs in three
阅读全文Beekeepers in the United States lost more than 55% of managed colonies last year—the highest loss rate since the Apiary Inspectors of America began determining them in 2011.
阅读全文Researchers have tracked 89 northern saw-whet owls (Aegolius acadicus) along a migration corridor in Western Montana, underscoring the efficacy of telemetry studies for detailed investigations into the movements of birds.
阅读全文A French team coordinated by a scientist at CNRS highlights the harmful impact on sparrow reproduction of chronic exposure to tebuconazole, one of the most widely used fungicides in agriculture in Europe. These findings, recently published in Environmenta
阅读全文Pollinating insects such as bumblebees often repeatedly visit the same type of flower, even when a variety of flowers bloom nearby. This behavior is known as "flower constancy." Darwin speculated that flower constancy was a passive response to a
阅读全文Malaria, responsible for hundreds of thousands of deaths each year worldwide, is caused by a parasite transmitted through the salivary glands of female Anopheles mosquitoes.
阅读全文Coconut trees are iconic plants found across the world's tropical regions. They're called "nature's supermarket" or the "tree of life" in several cultures because every part of the coconut tree is used. Its leaves can be used to tha
阅读全文Unlike animals, plants do not possess an adaptive immune system with antibodies or T cells to fight viral infections. Instead, they rely on the RNA silencing system, which serves as their innate immune defense by recognizing and degrading viral RNA. In tu
阅读全文Screen-printed, biodegradable soil sensors that can be composted at the end of their lifecycle could enable farmers to improve crop yields while reducing electronic waste, researchers say.
阅读全文A team of environmental scientists at the University of Sydney, working with a pair of colleagues from the University of Copenhagen, are pondering possible ways to save the extremely endangered orange-bellied parrot. In their paper published in the journa
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