This week in science: ocean spiders, baby planets and the odds of having a boy or a girl The Short Wave team talks about spider origins, why the odds of having a girl or a boy aren't 50-50, and what the Orion constellation reveals about the life cycles of stars.

This week in science: ocean spiders, baby planets and the odds of having a boy or a girl #Science #Biology #Zoology #OceanSpiders #BabyPlanets #GenderOdds