Updated April 05, 2016. Nasal saline irrigation has been shown to be a beneficial therapy in the treatment and prevention of sinus infections and allergic rhinitis. This non-pharmacologic therapy involves rinsing the nasal passages with a salt-water solution, helping to rid the nose of allergens and mucus.
The goliath birdeater tarantula of South America is arguably the biggest spider in the world. Watch as one hapless mouse wanders into a spider's deadly trap, and see the unusual adaptations that make the goliath one of nature's deadliest ambushers.
A new species of spider -- Cerbalus aravensis -- is the largest of its type in the Middle East, scientists in Israel say. A new and previously unknown species of spider has been discovered in the dune of the Sands of Samar in the southern Arava region of Israel by a team of scientists from the Department of Biology in the University of Haifa-Oranim. Unfortunately, however, its habitat is endangered.