vagus nerve stimulation Vagus nerve stimulation therapy is a treatment for epilepsy that involves a stimulator (or 'pulse generator') which is connected, inside the body, to the left vagus nerve in the neck.
Tuva (Russian: ÑÑÐ²Ð°Ì tyh-VAH) or 'Tyva' is a republic in Eastern Siberia, bordering the Altai Republic to the west, Khakassia to the northwest, Krasnoyarsk Krai to the north, Irkutsk Oblast to the northeast, Buryatia to the east, and Mongolia to the south.
Located in south-central Siberia, not far from the Mongolian border and surrounded by mountains, forests and wild rivers, Baikal is an immense and breathtaking area of natural beauty. 1  Although it's not the biggest lake in the world in size - that distinction goes to the salty Caspian Sea - it is the largest by volume. Nicknamed the Pearl of Siberia, Lake Baikal holds about 20% of the world's fresh surface water - more water than all of the North American Great Lakes combined. What WWF is doing Supporting Nature Protected Areas in Russia