<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>bell-cot</author><text>The serious radiation hazards for astronauts are mostly from &amp;quot;harder&amp;quot; radiation, which penetrates deep into the human body.&lt;p&gt;Vs.&lt;p&gt;Human &amp;quot;color&amp;quot; is, at most, skin deep.</text><parent_chain><item><author>calibas</author><text>If melanin protects against ionizing radiation, does that apply to humans as well?&lt;p&gt;And does that mean darker-skinned human beings are better suited for space travel?</text></item></parent_chain></comment><story><title>Chernobyl black frogs reveal evolution in action</title><url>https://phys.org/news/2022-09-chernobyl-black-frogs-reveal-evolution.html</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>BurningFrog</author><text>Yes, people have melanin in the skin to protect from damaging sunlight.&lt;p&gt;Whiter skin evolved when humans migrated from Africa to regions with less sun, in order to get more vitamin D.</text><parent_chain><item><author>calibas</author><text>If melanin protects against ionizing radiation, does that apply to humans as well?&lt;p&gt;And does that mean darker-skinned human beings are better suited for space travel?</text></item></parent_chain></comment><story><title>Chernobyl black frogs reveal evolution in action</title><url>https://phys.org/news/2022-09-chernobyl-black-frogs-reveal-evolution.html</url></story>