Science reveals bizarre truths. Bananas are slightly radioactive. Stomachs digest themselves. Earth has more trees than stars. A teaspoon of neutron star weighs billions of tons. One can survive briefly in space without a suit. Wombat poop is cube-shaped. Octopuses possess multiple hearts and brains. Even spiders have journeyed to space. Post navigation ‘It was like hills were chasing us’: Friends who dodged death in Uttarkashi Kanhaiya Lal’s son brings slain tailor’s photo to watch Udaipur Files