The recent approval of a CRISPR-Cas9 therapy for sickle cell disease demonstrates that gene editing tools can do a superb job of knocking out genes to cure hereditary disease. But it's still not possible to insert whole genes into the human genome to substitute for defective or deleterious genes.
BiologyFeb 21, 2024Spruce, pine, fir and other trees tower across the frigid swaths of land that span North America, northern Europe and Russia in a great ring around the world. These boreal forests constitute the largest land ecosystem and the northernmost forests on Earth.
EnergyFeb 21, 2024Many animals, including apex predators, move in groups. We know this collective behavior is fundamental to the animal's ability to move in complex environments, but less is known about what drives the behavior because many factors underlie its evolution. Scientists wonder, though, if all these animals share a fundamental drive, such as for mating, safety, or perhaps even to save energy.
EnergyFeb 21, 2024Researchers have shed light on the molecular mechanisms underlying hibernation, publishing their findings today as a Reviewed Preprint in eLife.
EnergyFeb 21, 2024DataStax, the Gen AI data company, today announced its out-of-the-box retrieval augmented generation (RAG) solution, RAGStack, is now generally available powered by LlamaIndex as an open source framework, in addition to LangChain. DataStax RAGStack for LlamaIndex is also the first partner to support an integration (currently in public preview) with LlamaIndex’s LlamaParse, which gives developers using Astra DB a simple API to efficiently parse and transform complex PDFs into vectors in minutes.
Big DataFeb 21, 2024Analysis of social media posts in October 2022 has revealed Australian users are polarized in their views about a "return to normal" and the role of government. They also expressed concern about the long-term implications of COVID—including Long COVID.
Big DataFeb 21, 2024Financial technology (FinTech)—innovation in the delivery of financial services and products—has grown in popularity, expanding access to finance for millions of people. But while promoting inclusive finance to accelerate economic growth and financial sustainability is considered a good idea, there are challenges to balancing the socioeconomic tradeoffs.
Big DataFeb 21, 2024NASA's history-making Ingenuity Mars Helicopter has ended its mission at the Red Planet after surpassing expectations and making dozens more flights than planned. While the helicopter remains upright and in communication with ground controllers, imagery of its Jan. 18 flight sent to Earth this week indicates one or more of its rotor blades sustained damage during landing and it is no longer capable of flight.
TechJan 26, 2024Princeton researchers have learned to harness the gossamer scaffolding that maintains the structure of living cells and used it to develop a nanotechnology platform. The technique eventually could lead to advances in soft robotics, new medicines, and the development of synthetic systems for high-precision biomolecular transport.
TechJan 26, 2024A team of researchers from the Institute for Optoelectronic Systems and Microtechnology at Universidad Politécnica de Madrid (UPM) has designed a biosensor capable of identifying proteins and peptides in quantities as low as a single monolayer. For that, a surface acoustic wave (SAW), a kind of electrically controlled nano earthquake on a chip, is generated with an integrated transducer to act on a stack of 2D materials coated with the biomolecules to be detected.
TechJan 26, 2024
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