Sandwalk

                                    Strolling with a skeptical biochemist

Thursday, December 22, 2022

Junk DNA, TED talks, and the function of lncRNAs

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Most of our genome is transcribed but so far only a small number of these transcripts have a well-established biological function. The...
1 comment:
Wednesday, December 21, 2022

A University of Chicago history graduate student's perspective on junk DNA

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A new master's thesis on the history of junk DNA has been posted. It's from the Department of History at the University of Chicago. ...
7 comments:
Sunday, December 18, 2022

Protein concentrations in E. coli are mostly controlled at the level of transcription initiation

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The most important step in the regulation of protein-coding genes in E. coli is the rate of binding of RNA polymerase to the promoter regio...
3 comments:
Friday, December 16, 2022

Publishing a science book - Lesson #1: The publisher is always right about everything

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Don't bother trying to reason with a publisher. All of them have different views on proper style and every single one of them is absolut...
4 comments:

Can the AI program ChatGPT pass my exam?

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There's a lot of talk about ChatGPT and how it can prepare lectures and get good grades on undergraduate exams. However, ChatGPT is only...
8 comments:
Monday, December 12, 2022

Did molecular biology make any contribution to evolutionary theory?

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Some evolutionary biologists think—incorrectly, in my opinion—that molecular biology has made no contributions to our understanding of evolu...
15 comments:
Friday, December 02, 2022

Sequencing both copies of your diploid genome

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New techniques are being developed to obtain the complete sequences of both copies (maternal and paternal) of a typical diploid individual. ...
3 comments:
Thursday, December 01, 2022

University of Michigan biochemistry students edit Wikipedia

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Students in a special topics course at the University of Michigan were taught how to edit a Wikipedia article in order to promote function i...
10 comments:
Monday, November 21, 2022

How not to write a Nature abstract

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A friend recently posted a figure on Facebook that instructs authors in the correct way to prepare a summary paragraph (abstract) for public...
1 comment:
Sunday, November 20, 2022

What I'm reading these days

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So many books ... so little time.
11 comments:
Saturday, November 19, 2022

How many enhancers in the human genome?

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In spite of what you might have read, the human genome does not contain one million functional enhancers. The Sept. 15, 2022 issue of ...
1 comment:

Academic workers on strike at University of California schools

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Graduate students, postdocs, and other "academic workers" are on strike for higher wages and better working conditions at Universi...
1 comment:
Friday, November 18, 2022

Higher education for all?

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I discuss a recent editorial in Science that advocates expanding university education in order to prepare students for jobs. I believe ...
4 comments:
Tuesday, November 08, 2022

Science education in an age of misinformation

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I just read an annoying article in Boston Review: The Inflated Promise of Science Education . It was written by Catarina Dutilh Novaes, a Pr...
8 comments:
Saturday, November 05, 2022

Nature journalist is confused about noncoding RNAs and junk

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Nature Methods is one of the journals in Nature Portfolio published by Springer Nature. Its focus is novel methods in the life sciences. ...
7 comments:
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