Systemic weed-killer, like those made with glyphosate, should be applied directly to the weed you want to get rid of. Do not apply these products to your entire lawn. Glyphosate products kill all vegetation and should only be applied directly to the leaves of the dandelion.
That's one giant leap! Alan Eustace, a senior vice president at Google, set a new world record today by completing the highest-altitude skydive yet--parachuting from 135,908 feet (or 25 miles) above Earth. The record was previously held by daredevil skydiver Felix Baumgartner, who leaped from 24 miles above Earth in October 2012.
The Learjet 75 business jet, with a maximum operating ceiling of 51,000ft, is one of the highest altitude passenger planes available. The aircraft is manufactured by Bombardier Aerospace. The Learjet 75 avoids delays due to congestion at low altitudes by flying at over-the-weather altitudes.