When I saw Mondrian’s 1911 “Gray Tree,” I immediately recognized something about trees that I had struggled to describe. By removing all but the most essential elements in an abstract ...

Piet Mondrian painted the same tree in “The gray tree” (left) and “Blooming apple tree” (right). Viewers can readily discern the tree in “The gray tree” with a branch diameter scaling exponent of 2.8.

Honeybees flock to a pallet stacked with four hives at the edge of an almond tree orchard on Friday, Feb. 14, 2025, in Olivehurst. Bees are essential to pollinating California’s vast almond ...

Only about 40% of a tree’s blooms will fruit, and that’s helped the plant conserve energy, especially if a frost or hail kills off blooms. The almond’s out-crossing pollination method also helps it ...

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