Why sweet-toothed possums graze on stressed, sickly-looking trees

From time to time, I'm contacted by people who have a favorite garden tree that seems suddenly to be in serious decline and lacking healthy foliage. Often the decline has been occurring over many months, but when first noticed, ...

New agreements needed now to improve food systems

In 2020, between 720 and 811 million people suffered from hunger, and almost as many (768 million) were malnourished. Two billion people did not get enough essential nutrients and vitamins due to unbalanced diets or a lack ...

Edible holograms could someday decorate foods

Holograms are everywhere, from driver's licenses to credit cards to product packaging. And now, edible holograms could someday enhance foods. Researchers reporting in ACS Nano have developed a laser-based method to print ...

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