Canker sores facts. 1  Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips, or throat. 2  Symptoms of canker sores include small, painful, crater-like ulcers.  See a doctor if canker sores are accompanied by fever, last more than three weeks, or the affected individual has difficulty swallowing.
From Wikipedia, the free encyclopedia. The Indian giant squirrel, or Malabar giant squirrel, (Ratufa indica) is a large tree squirrel species genus Ratufa native to India. It is a large-bodied diurnal, arboreal, and herbivorous squirrel found in South Asia. It is called à¤¶à¥à¤à¤°à¥ 'Shekru' in Marathi and is state animal of Maharashtra.
View full size image. The largest tree in the world is a giant sequoia (Sequoiadendron giganteum) in California's Sequoia National Park. Called General Sherman, the tree is about 52,500 cubic feet (1,487 cubic meters) in volume.