What kind
of creatures have the greatest physical endurance and can survive in the most
extreme environment? Who can be the first to live in a place hardly suitable
for any biological development? Who is the first to live in the lifeless areas
covered by lava after volcanic eruption? During the “Explorers” lesson you will
not only enjoy a cup of unusual vitamin tea but also learn about such organisms,
their general role in nature and how they are used by humans.