Politics puts the Amazon at risk, the problem with probiotics, biggest bird was blind, transforming robots, the origins of chocolate and why fish aren't salty.

Quirks and Quarks

The 'Trump of the Tropics' is now in charge of the lungs of the planet. Here's why that's scary; Probiotics probably aren't making you well, and they could make you sicker; The biggest bird in history might have been blind as a bat; A step towards Optimus Prime - transforming robots can reshape themselves; Aged chocolate: Archeologists find evidence of 5000 year old chocolate drink; Why are salt water fish not salty to eat?

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