Sandwalk

This year marks the 40th anniversary of DNA sequencing technology (Gilbert and Maxam, 1977; Sanger et al., 1977) 1 The Sanger technique soo...

Mammals have two sex chromosomes: X and Y. Males have one X chromosome and one Y chromosome and females have two X chromosomes. Since female...

This is the second post discussing creationist 1 papers on pseudogenes. The first post addressed a paper by Jeffrey Tomkins on the β-globin...

Jonathan Kane recently (Oct. 6, 2017) posted an article on The Panda's Thumb where he claimed that Young Earth Creationists often don...

Modern evolutionary theory is based on the idea that alleles become fixed in a population over time. They can be fixed by natural selection ...

Most eukaryotes are diploid, including humans. They have two copies of each autosome. Thousands of human genomes have been sequenced but in ...

I'm working (slowly) on a book called What's in Your Genome?: 90% of your genome is junk! The first chapter is an introduction to g...

This is a podcast from Cold Spring Harbor [ Dark Matter of the Genome, Pt. 1 (Base Pairs Episode 8) ]. The authors try to convince us that ...

The human genome is pervasively transcribed. More than 80% of the genome is complementary to transcripts that have been detected in some tis...

I went to London last November to attend the Royal Society meeting on New trends in evolutionary biology: biological, philosophical and soci...

Lots of people misunderstand punctuated equilibria. It's a theory about small changes leading to speciation. In many cases the changes a...

You may not agree but you should at least know what some evolutionary biologists are thinking.

All available evidence suggests that about 90% of our genome is junk DNA. Many scientists are reluctant to accept this evidence—some of them...

Paul Draper is a philosopher at Purdue University (West Lafayette, Indiana, USA). He has just (Aug. 2, 2017) posted an article on Atheism a...