Smartmi Air Purifier E1 review
Lastly, we assessed its air-cleaning performance by conducting a series of tests using the Perfect Prime air particle monitor, a device capable of detecting airborne pollutants as small as 0.3 microns.
Moss that survives deep freeze and radiation could live on Mars
Syntrichia caninervis is widespread in some of Earth’s harshest locations, including Tibet and Antarctica, so Xiaoshuang Li at the Xinjiang Institute of Ecology and Geography in Urumqi, China, and his colleagues decided to subject it to a brutal suite of tests to discover just how much it could survive.