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Most of the diverse elements in the universe come from supernovae. We are, quite literally, made of the dust of those long-dead stars and other astrophysical processes. But the details of how it all comes about are something astronomers strive to understand.
How do the various isotopes produced by supernovae drive the evolution of planetary systems? Of the various types of supernovae, which play the largest role in creating the elemental abundances we see today? One way astronomers can study these questions is to look at presolar grains.
These are dust grains formed long before the formation of the sun. Some of them were cast out of older systems as a star fired up its nuclear furnace and cleared its system of dust. Others formed from the remnants of supernovae and stellar collisions. Regardless of its origin, each presolar grain has a unique isotopic fingerprint that tells us its story.
Pyramid Analytics, an AI business analytics company, said on Monday it has raised $50 million in new financing from BlackRock, the world’s biggest asset manager.
🔍 Curious about the secrets behind successful scientific research? Tune in to our interview with Professor Vivian W.W. Yam and learn about her pioneering work in inorganic and organometallic chemistry.
Watch now! 🎬
A lot of the hype today centers on the idea of developers using AI “to write their code.” This is not practical, at least not for complex tasks. However, AI does have some strengths:
• Producing first drafts of code.
• Minor code updates.
• Automating repetitive tasks.
• Producing code summaries.
BREMEN, Germany — Lunar Outpost has selected SpaceX’s Starship vehicle to deliver to the moon the Artemis lunar rover it is developing for potential use by NASA.
The Colorado company announced Nov. 21 that it signed an agreement for SpaceX to use Starship to transport the company’s Lunar Outpost Eagle rover to the moon. The companies did not disclose a schedule for the launch or other terms of the deal.
Lunar Outpost is one of three companies that won NASA contracts in April for the first phase of the Lunar Terrain Vehicle (LTV) program to support the development of a rover that can be used by future Artemis missions. Each company received a one-year contract to mature the design of their rovers through a preliminary design review (PDR), and the agency will later select at least one of the companies to develop the rover.
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Now that AI is transforming nearly every industry, healthcare stands out as a field with immense potential — and unique risks.
A single AI-generated error here could lead to serious consequences for patient health.
Mapping in the Chukchi and Beaufort seas off Alaska has uncovered a 1,640-foot-tall structure on the seafloor, but scientists say it’s too early to determine the nature of the discovery.
Biomedical engineers from the University of Melbourne have invented a 3D printing system, or bioprinter, capable of fabricating structures that closely mimic the diverse tissues in the human body, from soft brain tissue to harder materials like cartilage and bone.
This cutting-edge technology offers cancer researchers an advanced tool for replicating specific organs and tissues, significantly improving the potential to predict and develop new pharmaceutical therapies. This would pave the way for more advanced and ethical drug discovery by reducing the need for animal testing.
Head of the Collins BioMicrosystems Laboratory at the University of Melbourne, Associate Professor David Collins said: In addition to drastically improving print speed, our approach enables a degree of cell positioning within printed tissues. Incorrect cell positioning is a big reason most 3D bioprinters fail to produce structures that accurately represent human tissue.
