Pruitt has been shed hunting for roughly 30 years, and just this last year, he got his “once in a lifetime” shed. “I found a really nice dead head elk shed, a once-in-a-lifetime, last year ...

Resolving this chicken-and-egg dilemma, as Dr Kirkham put it, would shed light on how serious the impacts of losing today's Antarctic ice shelves might be. "These ocean records are fascinating and ...