How Does Sunscreen Work? - Sciencey скачать в хорошем качестве

How Does Sunscreen Work? - Sciencey

We've all had sun protection tips drilled into us but how exactly does sunscreen protect you from sun damage? And can you guess what the SPF of back hair is? Watch Catalyst on ABC iview: http://iview.abc.net.au/programs/cata... SUBSCRIBE: http://ab.co/CatalystYouTube About Catalyst: Catalyst is Australia's flagship science documentary program, showcasing Australian and international stories that impact us all. With our exciting mix of science genres, presented by top scientists and experts, viewers are exposed to extraordinary topics, discoveries, observations, and philosophies that shape our world. The viewer will be left inspired, activated, and in awe of this extraordinary planet. Connect with other Catalyst fans: Visit the Catalyst website: http://www.abc.net.au/catalyst Like Catalyst on Facebook:   / abccatalyst   Follow Catalyst on Twitter:   / abccatalyst   This is an official Australian Broadcasting Corporation YouTube channel. ******** Contributions may be removed if they violate ABC's Online Conditions of Use http://www.abc.net.au/conditions.htm (Section 3).