He is involved in drug discovery research.

This fertilizer helps plant growth.

I opened the medicine packet and took the medicine inside.

I scooped and drank the soup with a spoon.

I scooped and drank the soup with a spoon.

In this experiment, we will use an indicator to observe the reaction between acids and bases.

Weak interaction is one of the four fundamental forces between elementary particles.

Strong interaction is one of the four fundamental forces in particle physics.

Electromagnetic interaction is one of the fundamental forces used to explain the force between substances.

Gravitational interaction creates attraction between objects.