<http://schema.org/description>
"Instead of a warm, wet and possibly life-bearing planet, as some scientists contend, early Mars may have been a hostile and volatile place with frequent volcanic outbursts, a new study shows.\r..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.scmp.com/news/world/article/1033588/new-study-casts-doubt-early-mars-life-bearing-conditions>