Today, we bring you another focus challenge, in which we invite you to spend uninterrupted time looking at a piece of art. The Dutch artist Margareta Haverman painted “A Vase of Flowers” over 300 ...
After decades of mystery, scientists have finally proven that Europe’s largest bat, the greater noctule, hunts and eats small songbirds mid-air—more than a kilometer above ground. Using tiny ...
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