We Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Years : ScienceAlert

Have we finally found the secret to long lasting concrete, the way the Romans made it?

Possibly: 
https://www.sciencealert.com/we-finally-know-how-ancient-roman-concrete-was-able-to-last-thousands-of-years

This begs the question why we don't make it like this anymore? What's wrong with building, say, bridges, that will last us another 2000 years?

Reading Coach Preview

So built into Teams, Microsoft has hidden a speech coach of sorts. 

I listen to a lot of interviews where I realise most people just aren't very good at explaining things or expressing themselves. 

Check it here: https://coach.microsoft.com/

How to read a scroll you can’t unroll?

Vesuvius Challenge 2023 Grand Prize awarded: we can read the scrolls! | Vesuvius Challenge

https://scrollprize.org/grandprize