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Saturday September 12, 2015
Listen to Full Episode 56:49 Listen 11:33
Homo naledi - New Species of Human Relative

Remains of more than a dozen individuals of a small, tool using, tree climbing hominid are found in a nearly inaccessible cave. More Sep 11, 4:16 PM ET

more stories from this episode
- Children Catch Math Anxiety From Parents
  
  Researchers find that negative and anxious attitudes about math can be communicated from parent to child. More Sep 11, 4:16 PM ET
  Listen 8:50
- Plastics - a New "Silent Spring"?
  
  Dr. Boris Worm, one of Canada's most eminent marine biologists, is warning of a plastic pollution crisis in the oceans that is harming wildlife and could affect human health. More Sep 11, 4:28 PM ET
  Listen 12:38
- Ankylosaurs' Tail Had a Wicked End
  
  A Canadian paleontologist has followed the evolutionary development of the club-like tail of these intimidating armoured dinosaurs. More Sep 11, 4:18 PM ET
  Listen 9:04
- New Horizons to Pluto and Beyond
  
  The chief scientist on NASA's mission to Pluto discusses how they got there, what they found, and where they're going next. More Sep 11, 4:19 PM ET
  Listen 14:31
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