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Mad scientist with a question

A middle-year Asian male scientist wearing gloves and holding an experimental container in front of a blackboard with a formula written on it.

Photo of smart intelligent senior lady wear white coat doing chemical experiment at university isolated on green board background.

Close-up of a high school chemistry teacher using a beaker and graduated cylinder to do an experiment for his class. Students are standing around him watching. The teacher is a mature Turkish man, in his 50s. The focus is on his hand and the equipment.

Chemist performing scientific experiment with measuring liquid in chemistry laboratory. Wearing protective gloves and lab coat while focusing on precision and accuracy in measurement

Male teacher mixing chemicals while teaching group of students on chemistry class.

Chemistry female teacher observing reaction test-tube at classroom and against green blackboard. Experimentation

Cheerful chemistry teacher leading the chemistry lesson while his curious elementary school student listening to him and paying attention to what he said

Young female chemist in formal wear conducting scientific experiment using chemicals in a laboratory.

Mastermind in a lab coat devises forbidden substances in a black and white early 20th-century setting, hinting at concealed alliances with or deception of governments

Crazy chemist doing experiment chemical laboratory

A high school chemistry teacher in the lab with two students. The teacher is a mature Turkish man in his 50s, holding a flask containing a blue liquid. The focus is on him and the Asian student, a young man 18 years old.

$Math and science doodles against focus pupil holding at red liquid$

Teacher in protective eyeglasses making experiments at school lab during chemistry science lesson class

Photo of charming intelligent professor senior woman teach chemistry finger up isolated on green board background.

Senior teacher teaching teenage students in the laboratory

Young scientist in laboratory coat conducting scientific experiments with glassware, surrounded by chemical bottles and scientific formulas on chalkboard in background

beautiful young female student is practicing in a chemistry classroom with flasks on the background of a board with formulas. Chemistry concept

Science teacher in front of the blacboard filled with chemistry symbols.

Silly humorous research worker not knowing what she is doing

University professor with stick, cross processed

Photo of positive pretty intelligent senior lady wear white coat doing chemical research isolated on green board background.

Senior teacher teaching teenage students in the laboratory - including a person with special needs

mad professor, the classic movie villain, theatrically creates viruses in a lab. Believing humanity inferior, he sadistically uses them as tools. Tied to a global conspiracy, he aims to dominate BIG P

chemistry young female teacher sits at a desk with microscope, chemical reaction liquid substance against blackboard with chemical formula

Selective focus shot of serious mid adult female laboratory technician, wearing protective gloves, holding erlenmeyer flask with yellow liquid, swirling it around and analyzing it. Focus on foreground.

frightened scientist front of experiment that exploded in lab

Seven year old scientist whose chemistry is going horribly wrong!

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