Month: August 2022
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The Metaverse Needs Standards, Too
When Meta(formerly Facebook) announced in October 2021 that it would be developing metaverse technologies, it prompted a flurry of speculation and attendant announcements from other companies. Beyond that, it triggered an avalanche of confusion around what exactlythe metaverseis supposed to be. Nearly a year later, the concrete details of the metaverse are as opaque as…
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The many movements of cilia — ScienceDaily
Cilia are tiny, hair-like structures on cells throughout our bodies that beat rhythmically to serve a variety of functions when they are working properly, including circulating cerebrospinal fluid in brains and transporting eggs in fallopian tubes. Defective cilia can lead to disorders including situs inversus — a condition where a person’s organs develop on the…
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Study of teachers links leadership to psychological empowerment — ScienceDaily
Leaders of teacher groups who were thought of as humble helped improve professionalism and collaboration among team members, new research has shown. The study, done in China, found that teachers in the Chinese equivalent of professional learning communities (PLCs) were more willing to share their knowledge and expertise when they rated their PLC leaders as…
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Ancient ‘demon ducks’ may have been undone by their slow growth
Giant flightless birds called mihirungs were the biggest birds to ever stride across what is now Australia. The animals, which weighed up to hundreds of kilograms, died out about 40,000 years ago. Now researchers might have a better idea why. The birds may have grown and reproduced too slowly to withstand pressures from humans’ arrival…
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Subclone size is due to persistence with larger subclones arising early in life — ScienceDaily
All normal human tissues acquire mutations over time. Some of these mutations may be driver mutations that promote the development of cancer through increased proliferation and survival, while other mutations may be neutral passenger mutations that have no impact on cancer development. Currently, it is unclear how the normal self-renewal process of the skin called…
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Low-memory technique for deep-learning recommendation systems — ScienceDaily
A breakthrough low-memory technique by Rice University computer scientists could put one of the most resource-intensive forms of artificial intelligence — deep-learning recommendation models (DLRM) — within reach of small companies. DLRM recommendation systems are a popular form of AI that learns to make suggestions users will find relevant. But with top-of-the-line training models requiring…
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Mixing things up: Optimizing fluid mixing with machine learning
Fluid mixing is an important part of several industrial processes and chemical reactions. However, the process often relies on trial-and-error-based experiments instead of mathematical optimization. While turbulent mixing is effective, it cannot always be sustained and can damage the materials involved. To address this issue, researchers have now proposed an optimization approach to fluid mixing…
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The Tonga eruption may have spawned a tsunami 90 meters tall
The massive Tonga eruption generated a set of planet-circling tsunamis that may have started out as a single mound of water roughly the height of the Statue of Liberty. What’s more, the explosive eruption triggered an immense atmospheric shock wave that spawned a second set of especially fast-moving tsunamis, a rare phenomenon that can complicate…
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DNA analysis shows Griffin Warrior ruled his Greek homeland | HeritageDaily
Using new scientific tools, University of Cincinnati archaeologists discovered that an ancient Greek leader known today as the Griffin Warrior, likely grew up around the coastal city he would one day rule. The findings are part of three new studies published in the journal Science that examined the ancient DNA of the Griffin Warrior and 726 other…