May 8: Sounds of a predator, horses are well-diggers, grass defuses a toxic explosive and more…
Plastic from fish waste, animals mate with relatives, mastodon poop and pupillary variety.
Plastic from fish waste, animals mate with relatives, mastodon poop and pupillary variety.
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Different shaped pupils help animals see as they need to. (Shutterstock / Mircea Costina)
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Quirks and Quarks54:00Sounds of a predator, horses are well-diggers, grass defuses a toxic explosive, plastic from fish waste, Animals mate with relatives, mastodon poop and pupillary variety.
