Hardy Antarctic Plants and Their Sunscreen Potential

The World Health Organization reports that there are 2 to 3 million cases of melanoma skin cancer reported every year. Sunscreen is a big part of preventing these cancers, but chemical laden sunscreens have their drawbacks. That’s why scientists are scouring the natural world to understand how plants protect themselves from damaging ultraviolet rays. VOA’s Kevin Enochs reports.
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