Scientists in remote Antarctic base send chilling message begging for rescue over 'threat' / Trapped Antarctic scientists beg for help after 'assault and death threats' from colleague / Trapped Antarctic scientists beg for rescue after team member 'sexually assaults & threatens to kill colleagues' at base / Black snow, emissions and bird flu: How Antarctic cruises hurt more than they help / Shift in Antarctic decision-making concerns researchers / The pets boosting morale on an Antarctic ship / Luxury PS63m cruise ship which took rich tourists on antarctic tours lies abandoned in paradise after accident at sea / Australia mounts rescue of ill Antarctic worker with icebreaker, helicopters / Australia launches mission to rescue Antarctic researcher