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.
Adults âThe male mosquito usually emerges first, and lingers near the breeding site, waiting for the females. On average, a female mosquito lives three to six weeks, but can live up to five months. The male's life span is much shorter.Both adult male and female feed on nectar and plant fluids, but it is only the female that seeks a blood meal, which most species need in order to develop their eggs.dults âThe male mosquito usually emerges first, and lingers near the breeding site, waiting for the females. On average, a female mosquito lives three to six weeks, but can live up to five months. The male's life span is much shorter.