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.
On average the new species is the largest of all golden orb weavers known. A specimen of the new spider, named Nephila komaci, was first found in 2000 in the Plant Protection Research Institute in Pretoria, South Africa.