babies

By Karl Gruber Strawberry poison frogs (Oophaga pumilio) of Costa Rica give their newborn tadpoles a built-in weapon against predators: alkaloids. Various animals and plants use alkaloids—naturally occurring, bitter-tasting chemical compounds—as a first line of defense. For instance, adult strawberry poison frogs get the chemicals from their diets of ants and mites, “which essentially makes the…

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  Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1333 – Air…

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  Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend, or pick your favorite segments and listen now below! Episode: 1333 – Air…

Uncategorized

, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,