Sandwalk

                                    Strolling with a skeptical biochemist

Monday, May 11, 2026

The functions of human protein-coding genes

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There are about 20,000 protein-coding genes in the human genome. We'd like to know what all these genes are doing but the only way to fi...
1 comment:
Sunday, May 10, 2026

Why do scientists at "elite" universities dominate scientific discourse?

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We all know that scientists at elite universities publish a lot more papers than scientists at other universities. Why is that? Is it becaus...
1 comment:
Saturday, May 09, 2026

Pervasive transcription = genes + noise

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Most of the DNA in the human genome is transcribed at some point in development or in some cell type. This fact has been known since the l...
7 comments:
Friday, May 08, 2026

Philosophers talk about junk DNA

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There is considerable debate in the scientific literature over the amount of junk DNA in the human genome. The standard model was developed ...
1 comment:
Monday, April 27, 2026

Ask Gemini: "What is the difference between junk DNA and non-coding DNA?"

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This is weird. I was a bit bored so I asked Gemini the following question: "What is the difference between junk DNA and non-coding DNA?...
5 comments:
Tuesday, April 14, 2026

How many pseudogenes in the human genome?

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There are somewhat less than 25,000 genes in the human genome and there are probably about the same number of pseudogenes. Pseudogenes are...
14 comments:
Saturday, April 11, 2026

Suggestions for philosophers who want to contribute to philosophical biology

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Can modern biologists get along with modern philosphers of biology? James DiFrisco and Steven Orzack think they can and they have suggestion...

Suggestions for biologists who want to contribute to philosophical biology

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Can modern biologists get along with modern philosphers of biology? James DiFrisco and Steven Orzack think they can and they have suggestion...

Chris Christie says baby boomers are the most selfish generation in American history

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The leading edge of the baby boomer generation is turning 80 this year (that's me!). Chris Christie is a trailing edge baby boomer. C...
1 comment:
Friday, April 10, 2026

How can we combat the spread of misinformation?

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This is a serious question. We ( Sandwalk readers) know that there's a lot of science misinformation being spread in the popular scienc...
17 comments:
Monday, April 06, 2026

How can philosophy contribute to science?

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I've written quite a bit about the perceived conflict between science and philosophy and defended my view that science is best described...
7 comments:
Sunday, April 05, 2026

Is the American President the leader of the free world?

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I was intrigued by a recent article by Carlos Lozade in The New York Times : America Has Become a Dangerous Nation . The opening paragraph s...
10 comments:
Saturday, March 28, 2026

Do the indigenous people of British Columbia have a special way of knowing that's better than science?

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I once participated in a discussion about introducing indigenous ways of knowing in the Ontario science curriculum. The idea was to have hig...
9 comments:
Friday, March 27, 2026

Philosophers and definitions of evolution and allele

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One of my Facebook friends posted a link to an article on genetic drift on the Stanford Encyclopedia of Philosophy website [ Genetic Drift ]...
13 comments:
Tuesday, March 17, 2026

Happy St. Patrick's Day 2026!

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Happy St. Patrick's Day! These are my great-grandparents Thomas Keys Foster, born in County Tyrone on September 5, 1852 and Eliza Ann Jo...
1 comment:
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