Birth order doesn’t predict your personality. Here’s what does.

 (Emily Wright for The Post)

New research is challenging assumptions about what determines our personality — and showing that you can change it.

Kamala Harris has a 2028 opening — and a 2024 problem

GOP is at risk of significant state legislative losses, Post analysis finds

3 science-backed ways to help your brain clear out waste

My Vietnam service taught me about Americans. Now, my ‘Vet’ cap does.

Inspectors general should probe Reflecting Pool case, ex-Olympian’s attorneys say

Trump approves firing squad execution for Fort Hood shooter

Jim Bakker, disgraced televangelist who went to prison, dies at 86

California leaders slam Trump for saying Iran could ‘take out’ L.A. or San Diego

Intelligence on potential Iranian drone attack led U.S. to move bombers

How to get rid of clothes, books, furniture and more

Paramount closes $110B deal with Warner Bros. Discovery after months of wrangling

They told the world AI was dangerous. Now Trump’s allies are coming for them.

Rubio calls on Russia to disclose more about potential plague case

Will Texas turn blue? Here’s what voters told me at a Buc-ee’s.

Grandma says, as ‘the matriarch,’ she needs to know baby news first

We asked scientists: Is it okay to use a little bit of cannabis?

 (Illustration by George Wylesol for The Post)

Here’s what to know about the latest research on cannabis and health risks.

The new science of cannabis and sleep

The surprising ways cannabis may affect the aging brain