Bloom Filters

Jamie Talbot explains a Bloom filter , a technology used in marketing new content to Internet subscribers.

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Slavery in Illinois

Logan Jaffe inteviews Darrel Dexter about the history of slavery in Illinois. Dexter reports that even as a French territory slavery occurred in Illinois. Later, in the time of the Northwest Territory until the 1848, slaves brought to Illinois were converted to "indentured servants" for periods as long as 99 years. Then in 1853, a law was passed that barred blacks from migrating to Illinois.

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Faster Internet, Faster WiFi

Johnny Evans suggests ways you can improve Wi-Fi transmission .

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Mental Math

Shifrah Combiths shares tricks for mental math .

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Academic Enrollment Declines

Eric Kelderman reports on the declining enrollment in academic institutions catering to first generation students . Community colleges are seeing a drop in enrollment, while universities with large endowments are taking only a minor hit. Kelderman infers that universities catering to wealthier students have the funding to establish protocols for classroom instruction despite COVID-19.

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Online Discussion Practices

Flower Darby gives suggestions for having good discussions in an online classroom.

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Search Quality Rating

Search Engine Land reports that Google has contracted with an international group of about 10,000 "Search Quality Raters" "Search Quality Raters " who evaluate the initial search results on various topics.

Google maintains a set of Guidelines which is perhaps 200 pages in length. This provides a standard for these evaluations. George Nguyen reports on Jennifer Slegg's presentation summarizing the basic concepts behind these guidelines. Marie Haynes gave a video presentation on quality rating for SEOs.

Annalee Newitz notes that Google contracts with a couple employment agencies to provide quality raters - they are not Google employees.

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People Weigh in on COVID-19

Medscape authors Robert Finn, Marcia Frellick, Kara Gilbert, Pavankumar Kamat, Sarfaroj Khan, and Deepa Koli write about COVIDS-19's swath of distruction.

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Centers for Disease Control and Political Influence

James Bandler, Patricia Callahan, Sebastian Rotella and Kirsten Berg write about political influence in the Centers for Disease Control (CDC) .

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COVID-19 and Air Travel

Chris Woodyard reports that the danger of contracting COVID-19 while riding masked on an airplane is small.

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Managing in Stressful Times

Sean Silverthorne shares tips from business leaders on management during COVID-19. However, the tips apply to any stressful management environment.

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Reduce Stress by Establishing Margin

Dina Gerdeman describes how Ashley Whillans discovered the importance of having margin in her life.

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Diversity Training

Katherine Magan notes that the U.S. President's action against Federally funded diversity programs is causing universities to review their diversity training.

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Diet Advice

Beth Skwarecki downplays common diet advice , as there is no "one best diet" for everyone.

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Avoid Wasting Time

Kristin Wong talks about avoiding time wasting behaviors . Her advice is:

• Ask for help
• Avoid bad relationships
• Dwelling on mistakes and failings

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Obesity

David Berreby suggests that blaming individuals for obesity is wrong in an era when food produces and processors are adding chemicals into the food chain which may produce obesity. These chemicals in some cases even affect the reproductive cells (eggs and sperm)impacting at least one additional generation with epigenetic weight gain.

Olga Khazan cites a study indicating that children raised on today's diet have a harder time avoiding weight gain, again suggesting an influence from food chemicals.

-DD

Bertrand Russell

Maria Popova has written a number of short essays on Bertrand Russell and his exortations to cooperate with and love other people.

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Sleepwalking

Philip Jaekl describes the mysterious behavior of sleepwalking , basing his reporting on scholarly articles. Jaekl believes is an ancient survival mechanism.

-DD

Open Broadcaster Software

Open Broadcaster Software (OBS) is recommended by educator Jason Arias . I have not tried using this software, but it appears to have a lower learning curve than many visual programs.

Arias also has a video reviewing Making Video Lectures With Your Phone.

-DD

Lecture Learning and Confirmation Bias

Michael Solis discusses some innate features of confirmation bias . For example, rote learning is less memorable than learning based on investigation, so telling people what is correct does not quickly influence people.

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Customer Service

Heath Boice-Pardee writes about serving others during the coronavirus pandemic.

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Oral Bacteria and Cancer

Claudia Wallis explains research into the oral bacterium, fusobacterium nucleatum , which seems to induce the spread of certain tumors.

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Language Learning and Age

Dana Smith reports that the ability to learn a new language declines after a person reaches 18 years of age.

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Overcoming Obstacles

Erica L. Green, Mark Walker and Eliza Shapiro write about the obstacles young african-american women face in their school and community .

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Using PowerPoint

Sele Training shares PowerPoint tips .

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Apps for Education

Evgenii Permiakov uses a video to recommend apps to school teachers.

- Luke 6:40">-DD

Wearing Masks

Arthur Caplan suggests guidelines for wearing masks during the COVID19 pandemic.

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Minds Can Remain Plastic

Andrew Koch writes with passion about the moral necessity of helping disadvantaged students, arguing on the basis of the plasticity of the human mind. He draws on both the essay of William James titled "On a Certain Blindness in Human Beings " and on current research conducted by mindset researchers such as Carolyn Dweck.

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Borrow This From a Library

Mila Gascó-Hernández speaks of the various types of materials some libraries now loan .

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Google Discover

Barry Schwartz offers suggesting how to place on Google Discover .

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Windows on Android

J.R. Raphael talks about reproducing the look and feel of Microsoft Windows on an Android device.

-DD