Do you know where your xenon is?

Do you know where your xenon is?
The paradox of the missing xenon might sound like the title of the latest airport thriller, but it's actually a problem that's stumped geophysicists for decades. New work provides the first experimental evidence of previously theorized compounds of iron and xenon existing under the conditions found in the Earth's core, potentially explaining why our planet's atmosphere is much more depleted in xenon than it should be.

Leave a comment