光遗传学

光 = 小 + 兀 : Mnemonic symbol: a laser pointer.

光 = 小 + 兀 : Gitta Giraffe is giving a big concert in front of the anglepod. She set up a lot of laser pointers for the light show, the audience is throwing daisies up to her and she is just rocking her 胡兀尔.

遗 = 贵 + 辶 : Sometimes, just inside the space station's entrance (Ø2), Maud Younger (y) woefully thinks of her lost (遗) treasure chest (贵). It was filled to the top with gladiator sandals (辶); but it was too heavy to bring to the space station, so she had to leave it behind.

传 = 专 + 亻 : Rosa Luxemburg volunteered to take part in an experiment conducted by the scientist just inside of the anthill. The scientist wants to find out how fast a chickenpox infection will be transmitted from Chantal Chicken to Rosa Luxemburg.

学 = 小 + 冖 + 子 : Xu Xian wants to study scienceology and learn more about daisies. Just inside the elevator's kitchen, he put some daisies into a prize cup and covered them with a cooking top. He wants to study the growth rate of the daisies depending on the pH of the water in the prize cup.