A little squid and its glowing bacteria yield new clues to symbiotic relationships
The relationship between the Hawaiian bobtail squid and the bioluminescent bacteria living in its light organ has been studied for decades as a model of symbiosis. Now researchers have used a powerful chemical analysis tool to identify a small molecu.....»»
Hunting down giant viruses that attack tiny algae
They were said to come from outer space, and there were even claims that they were actually bacteria and that they undermined the very definition of viruses. Giant viruses, nicknamed "giruses," contain enormous quantities of genetic material—up to.....»»
NYT Crossword: answers for Monday, September 30
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NYT Crossword: answers for Sunday, September 29
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Quordle today – hints and answers for Sunday, September 29 (game #979)
Looking for Quordle clues? We can help. Plus get the answers to Quordle today and past solutions......»»
NYT Crossword: answers for Saturday, September 28
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Trimer complex TaNF-Y balances grain yield and quality in wheat: Study
Breeding efforts have focused intensively on improving grain yield and quality in wheat (Triticum aestivum L.). Content and composition of grain starch and seed storage protein (SSP) are two critical factors that determine grain yield and quality. St.....»»
Bioengineers and chemists design fluorescent 3D-printed structures with potential medical applications
In a process as simple as stirring eggs and flour into pancakes, University of Oregon researchers have mixed fluorescent ring-shaped molecules into a novel 3D printing process. The result: intricate glowing structures that support the development of.....»»
Exploring the role of hydrogen sulfide in the expression of iron uptake genes in E. coli
Antibiotic resistance and oxidative stress response are important biological mechanisms that help bacteria thrive, especially pathogenic bacteria like Escherichia coli. Hydrogen sulfide (H2S), a chemical messenger molecule, regulates several intracel.....»»
On remote Greek island, migratory birds offer climate clues
Gently holding a blackcap warbler in his palm, ornithologist Christos Barboutis blew on its feathers to reveal the size of its belly: a good indicator of how far the bird can migrate......»»
NYT Crossword: answers for Friday, September 27
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Presence of bacteria in soil makes flowers more attractive to pollinators, study shows
Bacteria that live in soil and help roots fix nitrogen can boost certain plants' capacity to reproduce, according to an article published in the American Journal of Botany describing a study of this mechanism in Chamaecrista latistipula, a legume bel.....»»
Study explores what families fight about: Communication, moods, and chores
Conflict in families can negatively affect individuals' well-being and relationships. But what exactly do families today fight about, and is conflict in the home generally more severe between couples or between parents and children?.....»»
Cretaceous fireflies reveal early evolution of insect bioluminescence
Bioluminescence, the ability of living organisms to emit light, is a fascinating phenomenon observed in various life forms, including deep-sea fish, glowing mushrooms, and fireflies. Fireflies have long captivated people with their enchanting light d.....»»
Who lives in the rainforest treetops? DNA-collecting drone provides insights
Squinting into the treetops won't reveal the tiny organisms up there. But these creatures leave clues, in the form of DNA, on the leaves and branches. Now, researchers report in Environmental Science & Technology that they have developed a way to col.....»»
NYT Crossword: answers for Thursday, September 26
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Are tougher political sanctions better? A statistical model compares political and economic relationships to success
Before beginning its war of aggression against Ukraine in 2022, Russia had already conducted an aerial bombardment of Georgia in 2008 and invaded Crimea as well as the Donbas region in 2014. This has left politicians and researchers puzzling over the.....»»
Bacterial "flipping" allows genes to assume different forms
Imagine being one cartwheel away from changing your appearance. One flip, and your brunette locks are platinum blond. That's not too far from what happens in some prokaryotes, or single-cell organisms, such as bacteria, that undergo something called.....»»
Ultra-high speed camera for molecules: Attosecond spectroscopy captures electron transfer dynamics
In nature, photosynthesis powers plants and bacteria; within solar panels, photovoltaics transform light into electric energy. These processes are driven by electronic motion and imply charge transfer at the molecular level. The redistribution of ele.....»»
NYT Crossword: answers for Wednesday, September 25
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Astronaut’s stunning photo shows ‘flowing silver snakes’
An astronaut aboard the International Space Station has captured some stunning images of Earth showing 'flowing silver snakes' and 'glowing golden claws.'.....»»