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How honeybees really crown their queens
How honeybees really crown their queens Sadie Harley Scientific Editor Robert Egan Associate Editor For generations, scientists believed a queen honeybee was made almost entirely by diet: feed an ordinary larva enough royal jelly and a ruler emerges. But new research suggests queens are created through a more elaborate process. Young worker bees construct specialized nursery chambers complete with custom wax, warmer temperatures, and devoted attendants that help determine whether a larva...
CF-JEPA: Mask-free forward prediction with asymmetric encoder utilization for time-series representation learning
arXiv:2606.07031v1 Announce Type: new Abstract: Self-supervised learning (SSL) for time-series representation learning is dominated by two paradigms: contrastive methods, which face challenges in constructing positive or negative pairs, and masking-based methods, which disrupt the temporal continuity of time-series signals. Joint-Embedding Predictive Architecture (JEPA) offers a promising alternative by predicting in representation space rather than reconstructing raw inputs. However,...
Actually, the SAT Was Necessary After All
Zvezdelina Stankova has taught mathematics at UC Berkeley for nearly three decades. But in 2023, while teaching introductory calculus for the first time since the beginning of the coronavirus pandemic, she noticed that something was quite wrong. The bottom 25 percent of students were not just struggling with the coursework, Stankova told me; “people were in freefall.”
Could Democrats be shut out of the California governor’s race?
San Francisco, California – A free-for-all primary has put Democrats at risk of being shut out of the race for governor in an otherwise safe state: California. Stretching along the west coast of the United States, California has a reputation for leaning blue. Democrats outnumber Republicans in the state nearly two to one.
Worker bees build a 'royal palace' for the honeybee queen
Worker bees build a 'royal palace' for the honeybee queen June 10 : Honeybee queens come from the same ordinary fertilized female eggs as worker bees. So how does one bee become a queen - with the responsibility of serving as the colony's only baby maker - rather than just another worker? Until now, scientists believed it was solely because the chosen bee was served a special diet.
Google wants to release 64 million bacteria-riddled mosquitoes across California and Florida. Here’s why scientists are enthusiastic.
Google wants to release 64 million bacteria-riddled mosquitoes across California and Florida. Here’s why scientists are enthusiastic. Google has applied for an experimental mosquito release permit to deploy millions of non-biting southern house mosquitoes that it has infected with the bacterium Wolbachia pipientis, in an effort to reduce mosquito-borne diseases like West Nile virus.
Hidden store of manganese may have helped Earth get its oxygen
Deep below our feet, manganese may exist in a form we have never seen before, and this underground source of the metal could have played a role in the story of how Earth got its oxygen. Until about 2 billion years ago, Earth’s atmosphere barely contained any oxygen. Then came the Great Oxygenation Event (GOE) when oxygen produced by photosynthesizing microbes started to accumulate, spurring development of more diverse forms of life and changing the planet.
Why the Arctic's rivers are rusting now and where toxic orange water could spread next
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California Democrats Avoided the Worst-Case Scenario
As with pretty much everything involving California governance, discerning the state’s election results can devolve into a big, unruly mess. To wit, Tuesday’s primary—particularly the free-for-all campaign for governor to succeed Gavin Newsom—remains too muddled to call, with millions of outstanding ballots likely yet to be counted. At minimum, though, we can speak with some preliminary clarity, let’s call it, on the contest.
Republican Steve Hilton to face Democrat Xavier Becerra in California governor’s race
Former Fox News host Steve Hilton has advanced to the general election in the California gubernatorial race, NBC News projects, where he will face former Health and Human Services Secretary Xavier Becerra. Hilton, a Republican, emerged from a crowded primary where candidates from all parties appear on the same ballot and the top two-vote getters move on. NBC News projected Friday that Becerra, a Democrat, would advance.