Chief among these are humectants. A humectant is any form of hygroscopic substance — one that not only maintains moisture, it strips it from the encompassing air. Aloe vera is a naturally occurring humectant that has the added bonus of soothing warm, sunburned pores and skin. Other examples of natural humectants include alpha hydroxides like lactic acid, oils derived from plants and animals and even honey. Alpha hydroxy acids (AHA) hasten the method by which pores and skin cells are sloughed off and replaced, which may speed up the healing process for sunburns. Be careful not to make use of too potent an AHA, however, because it may exfoliate pores and skin too harshly.
CASA (Collaborative Adapting Sensing of the Environment) radar, a system developed by a consortium of universities, tries to fill in that protection area with a vast variety of smaller antennas connected to buildings and cell towers. In a 2011 check, researchers discovered that CASA helped them to see that a twister within the Chickasha, Okla. space was veering north, and to direct first responders to the stricken area within minutes [source: Hamilton].
«I had been requested to write a document on how environmental DNA Banking in Nigeria can be utilized to monitor biodiversity sooner or later,» says lead study author Dr. Elizabeth Clare, an ecologist at York College in Toronto, Canada, by e-mail. «I listed soil, snow, rain, honey even spraying foliage and accumulating the water that runs off. I then stated «and air» and went looking for a case research I could describe. I used to be very stunned that there really were none.»