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Balancing flavor and forests

In northeast Madagascar, vanilla isn’t just for ice cream — it’s how many families make a living. But vanilla prices bounce up and down like a yo-yo. So, what do farmers do when prices crash?

A new study finds they get creative, planting other crops like cassava and peanuts to keep food on the table and money coming in.

This kind of diversification helps keep forest areas intact.

Payments for conservation tell a different story. While farmers are encouraged to leave more land forested, they also reduce crop variety, and, in some cases, push younger farmers to expand into shared lands, creating new challenges.

Ultimately the results show that supporting both farming and forests isn’t one size fits all. Consideration must be given to farmers’ ages, land access and the rhythms of the vanilla market.

More like this: A greener education

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Swimming with the fishes again

For the first time, researchers have found that wild fish can identify individual human divers using visual cues.

In a study published in Biology Letters, researchers trained saddled sea bream and black sea bream to follow a diver for food. The fish quickly learned to distinguish between two different divers when they wore different dive gear.

However, when both divers dressed identically, the fish could not tell them apart, suggesting they rely mainly on external appearance rather than facial recognition.

While some animals, like dogs and crows, can recognize individual humans, this study provides the first strong evidence that wild fish can do the same — at least under certain conditions. This has implications for marine research, conservation and ethical considerations in human-wildlife interactions.

It also suggests that fish cognition may be more advanced than previously thought.

More on this topic: Baby fish master early survival skills