This is a passenger announcement. You can now book your train on Uber and get 10% back in credits to spend on Uber eats.

So you can order your own fries instead of eating everyone else's.

Trains, now on Uber. T's and C's apply. Check the Uber app.

This is a scientific American 60 second science. I'm Christopher in Talljata.

Go snorkeling in a lot of places and you'll find coral but on Israel's Mediterranean coast

I think it's the only place in the world that you can find whole place tall it really just

submerged under the The community was populated some 7,000 years ago.

There the archaeologists have found pottery and flint,

human skeletons, the remains of deer, cows, pigs and dogs,

and hundreds of olive pits,

probably the remains of olive oil production.

And the researchers also found a 300-foot-long stretch of huge boulders,

a wall.

After ruling out possible other uses for the wall, like defense against enemies or corralling animals,

the scientists determined that the formation was actually an ancient sea wall,

the oldest known example in the world. The results are in the journal

Ploss 1. The boulders that kept the waters of the Mediterranean from flooding

the village came from riverbeds a mile or two away and the researchers say it would

have taken multiple people or strong beasts of burden to move them into place,

suggesting that constructing the wall was a well-organized community effort.

But eventually, the sea beat the barrier.

Little by little sea level continued to rise and then it became no more effective.

...