I've moved to Substack. Come join me there.

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Hello readers, After blogging on this site since 2007, and at Forbes since 2010, I've moved all of my content over to Substack, at  http...

RFK Jr. is not a serious person. Don't take him seriously.

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Well, president-elect Trump has announced that he will nominate Robert F. Kennedy Jr. to be the Secretary of Health and Human Services (HHS)...

Political pollsters are pretending they know what's happening. They don't.

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This week I have to explain a little statistics, because the political news media have failed so badly. If you’re like me, you’re probably e...

Don't tell me they found Tyrannosaurus rex meat again!

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It seems that some scientists are still claiming they can find bits of dinosaur meat clinging to the fossilized bones of ancient dinosaurs. ...

The Hayflick Limit: why humans can't live forever

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  A scientific legend, Leonard Hayflick, passed away at the beginning of August . Most non-scientists probably don’t recognize his name, but...

Can you use the gut microbiome to diagnose autism? I think not

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Last week, the New York Times published a story claiming that we might be able to use the gut microbiome to diagnose autism. The Times st...

A randomized controlled trial of parachutes had a surprising outcome. Anti-vaxxers, take note.

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One of my themes in this column over the years has been that you need to be skeptical of many of the claims out there about science and medi...