Land speed record for rail vehicles. Determination of the fastest rail vehicle in the world varies depending on the definition of rail. The world record for manned passenger trains is held by the L0 Series, having achieved 603 km/h (375 mph) on a 42.8 km magnetic-levitation track in April 2015.
Confidence votes 4. Almost all insects have four wings, but the mosquito is one of only a few types of insects that actually only has two wings. Mosquitoes, Flies, Gnats and all the members of the hymenoptera or bee family only have two wings. However, there are two funny little knobs behind the first set of wings that are probably evolutionary remainders of what used to be a second set of wings.
There are four stages to a mosquitoes life. Which are egg, larval, pupa and adult. The total time it takes for a mosquito to go through all four stages depends greatly on both temperature and species. In a typically warm weather, the life cycle takes 14 days or less, but it can vary from 4 to 30 days.The average life span of a female mosquito is 3 to 100 days.The male lives 10 to 20 days.he total time it takes for a mosquito to go through all four stages depends greatly on both temperature and species. In a typically warm weather, the life cycle takes 14 days or less, but it can vary from 4 to 30 days. The average life span of a female mosquito is 3 to 100 days. The male lives 10 to 20 days.