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.
SpaceX Unveils Plans for Falcon Heavy, World's Largest Rocket. Commercial spaceflight company Space Exploration Technologies (SpaceX) this week unveiled plans for the Falcon Heavy, which SpaceX said will be the world's largest rocket. The Falcon Heavy will be capable of carrying over 117,000 pounds to orbit, the equivalent of an entire commercial airplane full of passengers, crew, luggage, and fuel.