North America Is Dripping from Below, Geoscientists Discover

I believe it's a shame that the drippings do not create the basis of a mantle-stalagmite. That would be a neat feature to study.

'Our continent keeps on dripping, dripping, dripping, into the mantle...'

Doo-doo dah doo-doo.

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Is there currently any type of ground penetrating radar or other device which could physically confirm the model's output?

it usually starts with a stalactite, then a stalagmite; by the way is there a mnemonic for the two words in English? something like t for tumbling and m for mounting...