A video of a woman with medium-length brown hair, wearing a white long-sleeved top and a pink lanyard, standing in front of a chalkboard with equations and a heart, beside an open book.

A video shows a woman in a white lab coat, standing beside a chalkboard with equations, in a classroom setting. The image is slightly blurry, with a book and a green folder visible on a desk.

Video of a woman in a white shirt, leaning against a chalkboard with mathematical equations, standing near a desk with an open book and pen, and a science magazine.

Video of a woman in a sheer, white, long-sleeve dress with a lanyard around her neck, sitting at a desk with an open book in front of her.

Video of an Asian woman with short brown hair, wearing a white, long-sleeved, high-neck dress, holding a book. She is seated in a classroom with a chalkboard behind her.

A video of a young woman with medium brown skin, short brown hair, wearing a sheer white top, a lanyard, and a black ID card, seated at a wooden desk with open books, in a classroom with a chalkboard.

Video of a woman in a white lab coat, lanyard, and holding a clipboard, sitting in a dimly lit classroom with a chalkboard and scattered notes on the floor.

Video of a woman with medium-length brown hair, wearing a white long-sleeve dress with a lanyard, seated at a table with open books. A chalkboard with mathematical formulas is in the background.

Video of a woman with shoulder-length brown hair in a white lab coat, sitting at a desk with open book, lanyard, and chalkboard in the background.