The Billy goat urinates all over his belly, chest, and beard to attract a mate. Similarly, a male porcupine sprays his urine in different directions—and when he finds a mate, he urinates all over her.

Annually 7 million tons of textiles and clothing is thrown out. Out of this, only 12% is used again or recycled.

Researchers have developed odourless socks. The sock fabric is made by attaching molecules that contain chlorine called halamines to textile fibers.

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