Best of Last Week—How humans really killed mammoths, making AI systems smarter, mitochondria fling their DNA

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Best of Last Week—How humans really ******* mammoths, making AI systems smarter, mitochondria fling their DNA

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Mitochondria release segments of DNA that can travel through pores of the nucleus and integrate into a cell’s chromosomes. Credit: Martin Picard laboratory at Columbia University Vagelos College of Physicians and Surgeons

It was an interesting week for the study of human behavior as a team of cognitive scientists at MIT found what they believe is the reason that laws are written in an incomprehensible style—because it confers what they describe as a “special kind of authority” and because legislators feel compelled to follow tradition. And a team of archaeologists at the University of California, Berkeley, dispelled the myth of groups of early human hunters flinging spears at mammoths to bring them down—they found evidence that the large beasts were instead brought down by spikes planted into the ground at angles.

In technology news, a team of engineers affiliated with a host of institutions in China demonstrated the first

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based on carbon nanotubes, an advance the team suggests could lead to energy-efficient AI processing. And a team led by engineers at Shanghai University developed 3D-printed, decoupled structural

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that they claimed were also stable, robust and customizable. Also, a team of chemists and engineers in the U.S. Department of Energy’s National Renewable Energy Laboratory developed

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made from biomass to make recyclable wind turbine blades. And a team of AI researchers and computer scientists at the University of Alberta in Canada developed a new method to allow AI systems to

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. It works by resetting the weights assigned to the nodes on the network.

In other news, a team of dieticians, medical researchers and geneticists at MIT revealed the benefits and downsides of

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—from boosting the regenerative abilities of intestinal stem cells to cancerous mutations that can occur during the regenerative ******* after fasting ends. And a team of engineers at Qunnect Inc. tested a quantum internet prototype by running it under New York City for half a month. Also, a team of medical researchers at Helmholtz Center for Infection Research developed

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against COVID-19 that provides long-term protection. And finally, a team of microbiologists at the Columbia University Irving Medical Center found evidence that mitochondria fling their DNA into our brain cells.

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Best of Last Week—How humans really ******* mammoths, making AI systems smarter, mitochondria fling their DNA (2024, August 26)
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#WeekHow #humans #******* #mammoths #making #systems #smarter #mitochondria #fling #DNA

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