Sandwalk

                                    Strolling with a skeptical biochemist

Monday, May 27, 2024

Telomere length in humans

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Telomeres are repetitive DNA sequences at the ends of chromosomes. In humans, the repeat sequence is TTAGGG. The purpose of telomeres is to ...
Tuesday, May 21, 2024

University of Toronto President explains why the Occupy for Palestine demands are unreasonable and unacceptable

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The Occupy for Palestine protestors have occupied part of the campus of the University of Toronto. The protestors are making two demands on ...
16 comments:
Sunday, May 05, 2024

Junk DNA debate: Casey Luskin vs Dan Stern Cardinale

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Here's a link to the junk DNA debate between Dan Stern Cardinale and Casey Luskin. The debate took place on May 2, 2024. ...
16 comments:
Saturday, May 04, 2024

Casey Luskin posts misleading quotes about junk DNA

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On Thursday May 2, 2024, Casey Luskin and Dan Stern Cardinale debated junk DNA on the YouTube channel "The NonSequitor Show." Davi...
5 comments:
Friday, March 29, 2024

Why do Intelligent Design Creationists still lie about junk DNA?

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Intelligent Design Creationists are heavily invested in refuting junk DNA because it casts doubt on their model of an intelligently designed...
9 comments:
Sunday, March 24, 2024

Thesis defense: 50th anniversary

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Today is the 50th anniversary of my Ph.D. oral defense. The event took place in the Department of Biochemical Sciences at Princeton Universi...
4 comments:
Saturday, March 23, 2024

More genomes, more variation

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The "All of Us Research Program" is an American effort to sequence one million genomes. The stated goal is to study human genetic ...
13 comments:
Friday, March 22, 2024

Toronto is number 3 in health sciences!

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I'm a retired member of the Faculty of Medicine at the University of Toronto. For many decades researchers here have been complaining th...
Thursday, March 21, 2024

Science misinformation is being spread in the lecture halls of top universities

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Should universities remove online courses that contain incorrect or misleading information? There are lots of scientific controversies...
9 comments:
Monday, March 18, 2024

Western scientists should continue to cooperate with Chinese scientists

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China has become a science powerhouse and it achieved this goal, in part, by sending its young scientitsts abroad to train in universities i...
1 comment:

Intelligent design creationists think junk DNA is a placeholder for ignorance

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Paul Nelson is a Senior Fellow of the Discovery Institute—the most important source of intelligent design propaganda. Paul and I have been d...
4 comments:
Sunday, March 17, 2024

Happy St. Patrick's Day 2024

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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...
Saturday, March 16, 2024

How do proteins move around amidst the jumble of molecules inside a living cell?

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I've been reading Philip Ball's book on "How Life Works" and I find it increasingly frustrating because he consistently de...
13 comments:
Friday, March 15, 2024

Nils Walter disputes junk DNA: (9) Reconciliation

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I'm discussing a recent paper published by Nils Walter (Walter, 2024). He is arguing against junk DNA by claiming that the human genome ...
4 comments:
Thursday, March 14, 2024

Nils Walter disputes junk DNA: (8) Transcription factors and their binding sites

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I'm discussing a recent paper published by Nils Walter (Walter, 2024). He is arguing against junk DNA by claiming that the human genome ...
1 comment:
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