放射性衰变

放 = 攵 + 方 : In the anglepod's bathroom, Frankenstein's monster crushes a square to pieces using a sledgehammer. He puts the pieces into the toilet and releases them afterwards by flushing it.

射 = 寸 + 身 : Sherlock Holmes (sh) is ready for takeoff in the elevator's bathroom (e4) and stands in front of a rocket on a launch pad (mnemonic symbol for 射). As there are many journalists, Sherlock prepared to be extra fancy and wears a tight body suit (身). He winks to the photographers and makes the thumbs up (寸) sign.

性 = 忄 + 生 : Marie Curie had a strong character since she was little. Even in her cradle in the engine's bathroom she was only playing with a flail.

衰 = 丑 + 衣 : Sheldon Shrimp (shu) is feeling very awkward in front of the airplane (ai1). He is on a date with an ox (丑), but the oxen's kilt (衣) is so old and feeble (衰) that it is falling apart.

变 = 亦 + 又 : In anthill's bathroom the also-ran is sparring with Brunhilde. In her mind she imagines changing into a boxing grizzly bear.

变 = 亦 + 又 : I think 变 does look like a grizzly bear with a beret. 又 is the snout, and the two eyes are the two strokes of 八.