This is one of five facilities on the icy continent run by the British Antarctic Survey (BAS), the UK's polar research institute.
"But I'm going to tell you it is harder to be a parent than to be a space shuttle commander," she laughs.
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Walmart has agreed to pay $100m (£74.1m) to settle claims that it misled gig workers who signed up to deliver packages for the company about the pay and tips they would receive.
The story of the discovery will be featured on BBC Two's Digging for Britain on 14 January at 21:00 GMT, or on BBC iPlayer.