Close your windows.Experts advise residents to avoid opening windows at home if you have to,avoid the time when smog is at its densest(浓的) (18)G Besides,you can keep plants with broad leaves at home to absorb dusk,and use air purifiers.Smoke less.(19)EIn hazy weather,smoking would ...
wired has you covered. simon hill breathe easy—we found the best air purifiers wired tested and reviewed dozens of air purifiers to find which are the most effective against dust, smoke, allergens, and more. here are our top picks. lisa wood shapiro 32 delightful gift ideas for musi...
(he grounds the laser, eliminating a lot of the launch costs). milner tells me he expects the $100 million will buy the project a proof-of-concept. the complete 100-million-mph mission to alpha centauri will likely cost between $5 billion (one large hadron collider ) and $10 billion (...