But lots of parents having helpful discussions with kids about online safety can be tricky.

To help, Google and digital parenting experts, parents on,

have put together a list of simple topics you can chat about with your child to kick start the conversation.

Questions like, what shouldn't you share online?

Or how much screen time is too much?

It can be a great way to find a healthier balance for your family online, together.

Head to families.google today.

Microsoft has joined the campaign for Open Data.

But will it make a difference?

Hello and welcome to Babbage from Economist Radio, our weekly podcast on technology and science.

I'm Kenneth Cuckier, a senior editor at the Economist.

Also coming up on today's show,

we'll mass testing allow countries to open up.

If you get the testing and tracing right, then you don't have to bounce in and out of lockdown every few months,

and you don't have to have people die.

And why America's Southwest is prone to droughts on a mega scale?

You have the conditions set up right now for a natural drought.

And you have to have people die.

And why America's Southwest is prone to droughts on a mega scale?

The conditions set up right now for a natural drought.

But it's made much, much worse.

It's sort of tipped over into this mega drought scale by greenhouse gas emissions.

...