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The head of Estonia's Cybersecurity Centre, Gert Auvaart, told BBC News in a statement that Russia "may attempt to exploit this period to create uncertainty", but said that due to international co-operation, Estonia was "well-prepared even for worst-case scenarios".

Through analysis of DNA traces in the stomachs of predatory sea slugs, a team led by LMU geobiologist Professor Gert Wörheide has demonstrated that the animals also live in the seabed sediment, a habitat they were previously thought not to colonize.

Traces of DNA in the stomachs of predatory snails give a team led by LMU geobiologist Gert Wörheide new insights into the ecology of placozoans.

"It is such a shame the wonderful actor Gert Frobe, who played Goldfinger, had passed away before I started my photographic career, but it will take a lot to beat this wonderful character."

She later married Gert Berliner, an abstract expressionist artist and fellow refugee who was born in Berlin.