1 This work was done in collaboration with Mitsubishi Electric Research Laboratories in Cambridge, Massachusetts ABSTRACT People naturally perform multimodal interactions in everyday real world settings, as they collaborate over large visual surfaces such as paper maps on walls and tables. While a new generation of research technologies now supports co-located collaboration, they do not yet dir...

To the Editor,
 A spider angioma or naevus is a type of telangiectasis found slightly beneath skin surface, often containing central arteriole and many small vessels which radiate outwards like spider's web. Applying pressure to center lesion leads fading lesion. Spider common presentation liver cirrhosis, especially alcoholic cirrhosis. angiomas are only in distribution superior vena cava...

In the framework of collecting and identifying of wood fungi of Iran, specimen of cup fungus from wood and debris of conifers was collected. The characteristic features of specimen were as follows: Fruit body cup-shaped, gelatinous, up to 1 cm high and to 1.5 cm wide; bright orange. Fertile surface concave. Spores sausage-shaped, smooth, up to 4-5-celled, 15.5-18 × 4-6 µm. Basidia shaped like a...

Cluster headache (CH) is characterized by attacks of strictly unilateral, severe pain with orbital, supraorbital, or temporal location. They are accompanied by ipsilateral cranial autonomic features. Typical characteristics are short duration; pain occurring on one side of head, including eye area; and extreme intensity.[1] Pathophysiology of CH is not fully understood. [2] The pain almost alwa...